c语言中二维数组

001、 元素为数组的数组： 二维数据

#include <stdio.h>

int main(void)
{
    int i, j;
    int tensu1[4][3] = {{91, 63, 78}, {67, 72, 46}, {89, 34, 53}, {32, 54, 34}};
    int tensu2[4][3] = {{97, 67, 82}, {73, 43, 46}, {97, 56, 21}, {85, 46, 35}};
    int sum[4][3];
    
    for(i = 0; i < 4; i++)
    {
        for(j = 0; j < 3; j++)
        {
            sum[i][j] = tensu1[i][j] + tensu2[i][j];
        }
    }
    
    puts("first exam:");
    for(i = 0; i < 4; i++)
    {
        for(j = 0; j < 3; j++)
        {
            printf("%5d", tensu1[i][j]);
        }
        putchar('\n');
    }
    
    puts("second exam:");
    for(i = 0; i < 4; i++)
    {
        for(j = 0; j < 3; j++)
        {
            printf("%5d", tensu2[i][j]);
        }
        putchar('\n');
    }
    
    puts("exam sum:");
    for(i = 0; i < 4; i++)
    {
        for(j = 0; j < 3; j++)
        {
            printf("%5d", sum[i][j]);
        }
        putchar('\n');
    }
    
    return 0;
}