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#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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