質問編集履歴
6
質問をわかりやすく変更した
test
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@@ -1 +1 @@
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1
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-
MallocでOver flow がおきます。C言語
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1
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パスカルの三角形 MallocでOver flow がおきます。C言語
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test
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File without changes
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5
引数の順ばんが間違えていました。申し訳ありません。
test
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File without changes
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test
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@@ -98,6 +98,76 @@
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98
98
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99
99
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100
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101
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//修正後のコード
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102
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103
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```C
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104
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105
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106
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107
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108
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109
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int** generate(int numRows, int* returnSize , int** returnColumnSizes) {
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110
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111
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112
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113
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int **q, i, j;
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114
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115
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116
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117
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*returnSize = numRows;
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118
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119
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q = (int **) malloc (sizeof(int *) * numRows);
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120
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121
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*returnColumnSizes = (int *) malloc (sizeof(int) * numRows);
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122
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123
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124
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125
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126
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127
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for (i = 0; i < numRows; i++) {
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128
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129
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(*returnColumnSizes)[i] = i + 1;
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130
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131
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q[i] = (int *) malloc (sizeof(int) * (i + 1));
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132
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133
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q[i][0] = 1;
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134
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135
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q[i][i] = 1;
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136
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137
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138
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139
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+
if(i!=0){
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140
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141
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for(j=1; j<i; j++){
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142
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+
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143
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q[i][j] = q[i-1][j-1] + q[i-1][j];
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144
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145
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}
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146
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147
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}
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148
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149
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}
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150
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151
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152
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153
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return q;
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154
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155
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}
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156
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157
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158
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159
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160
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161
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162
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163
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164
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165
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166
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167
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```
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168
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169
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170
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101
171
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```Error
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102
172
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103
173
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=================================================================
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4
質問をわかりやすくした
test
CHANGED
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@@ -1 +1 @@
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1
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-
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1
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+
MallocでOver flow がおきます。C言語
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test
CHANGED
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File without changes
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3
エラーの出ている場所を説明しました。
test
CHANGED
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File without changes
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test
CHANGED
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@@ -28,15 +28,15 @@
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28
28
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29
29
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int **q, i, j;
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30
30
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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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-
*returnSize = numRows;
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34
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-
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35
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-
*returnColumnSizes = (int *) malloc (sizeof(int) * numRows);
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36
31
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37
32
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38
33
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34
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+
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35
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*returnSize = numRows;
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36
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39
37
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q = (int **) malloc (sizeof(int *) * numRows);
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38
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39
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40
40
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41
41
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42
42
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@@ -44,7 +44,9 @@
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44
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45
45
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46
46
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47
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-
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47
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+
printf("%d\n",i);
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48
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49
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48
50
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49
51
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q[i] = (int *) malloc (sizeof(int) * (i + 1));
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50
52
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@@ -66,9 +68,29 @@
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66
68
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67
69
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}
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68
70
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71
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+
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72
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+
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73
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+
//この下の３行でエラーが出ています。
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74
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+
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75
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+
*returnColumnSizes = (int *) malloc (sizeof(int) * numRows);
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76
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+
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77
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+
for (i = 0; i < numRows; i++)
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78
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+
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79
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+
(*returnColumnSizes)[i] = i + 1;
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80
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+
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81
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+
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82
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+
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69
83
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return q;
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70
84
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85
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+
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86
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87
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88
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71
89
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}
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90
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+
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91
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92
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93
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+
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72
94
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73
95
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74
96
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2
みやすくしました。
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -6,7 +6,7 @@
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6
6
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7
7
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8
8
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9
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-
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9
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+
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10
10
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11
11
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* Return an array of arrays of size *returnSize.
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12
12
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@@ -14,7 +14,9 @@
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14
14
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15
15
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* Note: Both returned array and *columnSizes array must be malloced, assume caller calls free().
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16
16
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|
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17
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-
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17
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+
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18
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+
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19
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+
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18
20
|
|
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19
21
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```C
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20
22
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|
|
@@ -54,7 +56,7 @@
|
|
|
54
56
|
|
|
55
57
|
if(i!=0){
|
|
56
58
|
|
|
57
|
-
for(
|
|
59
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+
for(j=1; j<i; j++){
|
|
58
60
|
|
|
59
61
|
q[i][j] = q[i-1][j-1] + q[i-1][j];
|
|
60
62
|
|
1
問題の要件を追記
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -5,6 +5,16 @@
|
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|
5
5
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[leetcodeの問題のリンクです](https://leetcode.com/problems/pascals-triangle/)
|
|
6
6
|
|
|
7
7
|
|
|
8
|
+
|
|
9
|
+
/**
|
|
10
|
+
|
|
11
|
+
* Return an array of arrays of size *returnSize.
|
|
12
|
+
|
|
13
|
+
* The sizes of the arrays are returned as *returnColumnSizes array.
|
|
14
|
+
|
|
15
|
+
* Note: Both returned array and *columnSizes array must be malloced, assume caller calls free().
|
|
16
|
+
|
|
17
|
+
*/
|
|
8
18
|
|
|
9
19
|
```C
|
|
10
20
|
|