CodinGame_2023_08_22__15_00_00__sum_not_1.c

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdbool.h>

/**
    The sum of all numbers that are not 1 :

    Entrée
    4
    3
    1 7 1
    1 1 7
    7 7 7

    Sortie
    35
*/

int main()
{
    int c;
    scanf("%d", &c);
    int n;
    scanf("%d", &n); fgetc(stdin);
    int sum = 0;
    for (int i = 0; i < n; i++) {
        char row[257];
        scanf("%[^\n]", row); fgetc(stdin);
        for (int j = 0; j < strlen(row); j++) {
            if (row[j] != '1' && row[j] != ' ') sum += (row[j] - '0');
        }
    }
    printf("%d\n", sum);
    return 0;
}