C语言如何把rand()产生的随机数存入二维数组
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
int main(void){
srand((unsigned)time(NULL));
int i,j,a[5][5],b;
for(b = 0; b < 25; ++b){
printf("%d ",10+rand()%91);
}
a[5][5]=10+rand()%91;