B1066 图像过滤

题目：https://pintia.cn/problem-sets/994805260223102976/problems/994805266514558976

代码

#include<cstdio>
int main(){
    int m, n, a, b, gray, temp;
    scanf("%d%d%d%d%d", &m, &n, &a, &b, &gray);
    for(int i = 0; i < m; i++){
        for(int j = 0; j < n; j++){
            scanf("%d", &temp);
            if(temp <= b && temp >= a) printf("%03d", gray);
            else printf("%03d", temp);
            if(j != n - 1) printf(" ");
        }
        printf("\n");
    }
}