[Solved] Weird behavior of a counter inside the for loop

by


1) The array index start from 0, as per your code it will access matrice[2][2] which will cause undefined behavior.

2) matrice[a][b]=scanf("%d",&i); will store the return value of scanf in matrice[a][b].

#include <stdio.h>

int main() {
    int a,b,matrice[2][2];
    printf("Put inside the matrix some numbers..\n");


    for (a=1;a>=0;a--) 
    {
        for (b=1;b>=0;b--) 
        {
            scanf("%d",&matrice[a][b]);
        }
    }
    //Then print or do other operations on matrice
    return 0;
}

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solved Weird behavior of a counter inside the for loop