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Snippet info

Language

C

Visibility

public

Author

m.v.kostenko

Created

2022-06-30T09:24:39.167977Z

Updated

2022-06-30T09:24:39.167977Z

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <iso646.h>
#define n 2
#define m 2
int f(int a[n][m]){
        int k = 0;
        for(int i=0;i<n;++i){
                k = 0;
                for(int j=0;j<m;++j){
                        if(a[j][i] < 0){
                        k = 1;
                        }
                }
                if(not k){
                return 1;
                }
        }
        return 0;
}
int main(){
        int a[n][m];
        for(int i=0;i<n;++i){
                for(int j=0;j<m;++j){
                scanf("%d", &a[i][j]);
                }
                printf("\n");
        }
        if(f(a))
        printf("Column exists!\n");
        else
        printf("Doesn't exist!\n");
        return 0;
}

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