[백준] 10953번 : A+B-6 - C

https://www.acmicpc.net/problem/10953

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

int main() {
    int t;
    scanf("%d",&t);
    for(int i=0;i<t;i++){
        char c[4];
        scanf("%s",&c);
        char *p=strtok(c,",");
        int num=0;
        while(p!=NULL){
            num+=atoi(p);
            p=strtok(NULL,",");
        }
        printf("%d\n",num);
        num=0;
    }
}