how to reset all values of 2d vector to 0

#include <stdio.h>

#define ROWS 3
#define COLS 4

int main() {
    int vector2D[ROWS][COLS];

    // Reset all values to 0
    for (int i = 0; i < ROWS; i++) {
        for (int j = 0; j < COLS; j++) {
            vector2D[i][j] = 0;
        }
    }

    // Your code here

    return 0;
}