回答編集履歴
2
最小限の修正の追加
test
CHANGED
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@@ -241,3 +241,75 @@
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```
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# 追記(最小限の修正)
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ご質問のコードだと、平行線の間隔が1, 棒の長さが0.5になりますね。
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```C
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#define pi 3.141592
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int main(void)
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{
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int m = 1000;
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int i, j;
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srand((unsigned int)time(NULL));
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int randam[5][1000] = { 0 };
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for (i = 0; i < 5; i++) {
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for (j = 0; j < m; j++) {
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randam[i][j] = rand();
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}
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}
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for (i = 0; i < 5; i++) {
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int num = 0;
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for (j = 0; j < m; j++) {
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double x, y;
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x = (float)randam[i][j] / (RAND_MAX + 1.0); //0～1の範囲の小数点乱数
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y = x + 0.5 * sin(((float)randam[i][m - j]) / (RAND_MAX + 1.0) * 2 * pi);
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if (y <= 0 || 1 <= y) {
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num++;
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}
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}
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printf("result%d :%e\n", i + 1, m / (double)num);
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}
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return 0;
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}
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```
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1
#define _USE_MATH_DEFINES追加
test
CHANGED
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@@ -14,6 +14,8 @@
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```C
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#define _USE_MATH_DEFINES
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#include <math.h>
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#include <stdio.h>
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@@ -110,6 +112,8 @@
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```C
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#define _USE_MATH_DEFINES
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#include <math.h>
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#include <stdio.h>
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