HDU 2023

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#include<stdio.h>
#include<string.h>
int score[50][5];
int main(){
    freopen("in.txt", "r", stdin);
    int i, j, n, m, is, num;
 int stu[50], cou[5];
 while(scanf("%d %d", &n, &m)==2){
     memset(cou, 0, sizeof(cou));
     memset(stu, 0, sizeof(stu));
        for(i=0; i<n; i++){
            for(j=0; j<m; j++){
                scanf("%d", &score[i][j]);
                stu[i] += score[i][j];
                cou[j] += score[i][j];
            }
        }
        for(i=0; i<n; i++)
            printf("%.2lf%c", stu[i]*1.0/m, (i<n-1)?' ':'/n');
        for(i=0; i<m; i++)
            printf("%.2lf%c", cou[i]*1.0/n, (i<m-1)?' ':'/n');
        num = 0;
        for(i=0; i<n; i++){
            is = 1;
            for(j=0; j<m; j++){
                if(score[i][j] < cou[j]*1.0/n){
                    is = 0;
                    break;
                }
            }
            if(is) num++;
        }
        printf("%d/n/n", num);
 }
    return 0;
}

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