[Solved] My function in C is not printing the value

by 


#include <stdio.h> 

void sumer(int matrix[2]) { 
    matrix[0] += 1;
    printf("%d", matrix[0]); 
}
 int main() { 
    int a[2] = {0,0}; 
    sumer(a); 

    return 0;
}

You should rewrite your code like this.

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solved My function in C is not printing the value