回答編集履歴
4
d
test
CHANGED
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@@ -2,16 +2,98 @@
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2
2
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3
3
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s = 0 # 累積和
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4
4
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5
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-
i =
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5
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+
i = 0 # 初期値
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6
6
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7
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-
while s + i < 500:
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7
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+
while s + i + 1 < 500:
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8
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+
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9
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+
# 500 を超えない場合
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10
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+
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11
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+
i += 1
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8
12
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9
13
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s += i
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10
14
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15
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+
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16
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+
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11
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-
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17
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+
print(s, i) # 496 31
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18
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+
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19
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+
```
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12
20
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13
21
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14
22
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23
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+
1+2+…+31 = 496
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24
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+
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25
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+
1+2+…+32 = 528
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26
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+
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27
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+
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28
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+
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29
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+
なので、1~31までの数の和が500を超えない最大の数
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30
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+
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31
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+
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32
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+
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33
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+
```output
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34
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+
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35
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+
1 = 1
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36
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+
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37
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+
1+2 = 3
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38
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+
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39
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+
1+2+3 = 6
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40
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+
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41
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+
1+2+3+4 = 10
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42
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+
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43
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+
1+2+3+4+5 = 15
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44
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+
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45
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+
1+2+3+4+5+6 = 21
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46
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+
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47
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+
1+2+3+4+5+6+7 = 28
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48
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+
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15
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-
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49
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+
1+2+3+4+5+6+7+8 = 36
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50
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+
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51
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+
1+2+3+4+5+6+7+8+9 = 45
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52
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+
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53
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+
1+2+3+4+5+6+7+8+9+10 = 55
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54
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+
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55
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+
1+2+3+4+5+6+7+8+9+10+11 = 66
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56
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+
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57
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+
1+2+3+4+5+6+7+8+9+10+11+12 = 78
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58
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+
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59
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+
1+2+3+4+5+6+7+8+9+10+11+12+13 = 91
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60
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+
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61
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14 = 105
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62
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+
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63
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15 = 120
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64
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+
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65
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16 = 136
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66
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+
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67
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17 = 153
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68
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+
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69
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18 = 171
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70
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+
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71
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19 = 190
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72
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+
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73
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20 = 210
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74
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+
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75
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21 = 231
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76
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+
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77
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22 = 253
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78
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+
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79
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23 = 276
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80
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+
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81
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24 = 300
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82
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+
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83
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25 = 325
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84
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+
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85
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26 = 351
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86
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+
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87
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27 = 378
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88
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+
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89
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28 = 406
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90
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+
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91
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29 = 435
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92
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+
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93
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30 = 465
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94
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+
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95
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31 = 496
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96
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+
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97
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+
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32 = 528
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16
98
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17
99
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```
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3
d
test
CHANGED
|
@@ -6,9 +6,9 @@
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6
6
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7
7
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while s + i < 500:
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8
8
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|
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9
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+
s += i
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10
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+
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9
11
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i += 1
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10
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-
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11
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-
s += i
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12
12
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13
13
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14
14
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2
d
test
CHANGED
|
@@ -4,11 +4,7 @@
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|
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4
4
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|
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5
5
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i = 1 # 初期値
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6
6
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|
|
7
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-
while True:
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|
8
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-
|
|
9
|
-
|
|
7
|
+
while s + i < 500:
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10
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-
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|
11
|
-
break
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12
8
|
|
|
13
9
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i += 1
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14
10
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|
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@@ -16,6 +12,6 @@
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16
12
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17
13
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18
14
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19
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-
print(s, i) # 495 3
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|
15
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+
print(s, i) # 495 31
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|
20
16
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21
17
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```
|
1
e
test
CHANGED
|
@@ -6,11 +6,11 @@
|
|
|
6
6
|
|
|
7
7
|
while True:
|
|
8
8
|
|
|
9
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-
i += 1
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|
10
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-
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|
11
9
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if s + i >= 500:
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12
10
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13
11
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break
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|
12
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+
|
|
13
|
+
i += 1
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14
14
|
|
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15
15
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s += i
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|
16
16
|
|