Submission #1239733

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Source Code Expand

#include <stdio.h>
#include <string.h>
int main(){
    int cnt = 0;
    int N;
    scanf("%d\n",&N);
    for(int i = 0;i < N;i++){
        char str[5];
        scanf("%s\n",str);
        if(strcmp(str,"A") == 0) cnt++;
        if(strcmp(str,"Un") == 0 && cnt > 0) cnt--;
    }
    if(cnt == 0) printf("YES\n");
    else           printf("NO\n");
    return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:6:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d\n",&N);
     ^
./Main.c:9:9: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s\n",str);
         ^

Judge Result