九度1384：二维数组中的查找

题目来源：http://ac.jobdu.com/problem.php?pid=1384

#include <iostream>#include <cstdio>#include <cstring>using namespace std;int main(){    int row, col, iSearchNum, i, j, a;    bool flag;    while(~scanf("%d %d", &row, &col))    {        scanf("%d", &iSearchNum);        flag = false;        for(i = 0; i < row; ++i)        {            for(j = 0; j < col; ++j)            {                scanf("%d", &a);                if(iSearchNum == a)                    flag = true;            }        }        if(flag)            printf("Yes\n");        else            printf("No\n");    }    return 0;}