- 904 名前：デフォルトの名無しさん mailto:sage [2009/07/11(土) 00:12:47 ]
- >>901 課題1
#include <stdio.h>
int main(void)
{
int a[3][3] = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
int b[3][3] = {{3, 4, 5}, {6, 7, 8}, {9, 10, 11}};
int ans[3][3];
int i, j, k;
puts("行列1:");
for (i = 0; i < 3; ++i) {
for (j = 0; j < 2; ++j) printf("%d,", a[i][j]);
printf("%d\n", a[i][j]);
}
puts("行列2:");
for (i = 0; i < 3; ++i) {
for (j = 0; j < 2; ++j) printf("%d,", b[i][j]);
printf("%d\n", b[i][j]);
}
for (i = 0; i < 3; ++i) for (j = 0; j < 3; ++j) ans[i][j] = 0;
for (i = 0; i < 3; ++i)
for (j = 0; j < 3; ++j)
for (k = 0; k < 3; ++k) ans[i][j] += a[i][k] * b[k][j];
puts("[行列１と行列２の積は");
for (i = 0; i < 2; ++i) {
for (j = 0; j < 2; ++j) printf("%d,", ans[i][j]);
printf("%d\n", ans[i][j]);
}
for (j = 0; j < 2; ++j) printf("%d,", ans[i][j]);
printf("%d]\n", ans[i][j]);
return 0;
}
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