Submission #20292570

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Source Code Expand

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

int main(void) {
    char S[1001];

    scanf("%s", S);

    for(int i = 0; i < strlen(S); i++) {
        if(i % 2 == 0) {
            if((S[i] >= 'A') && (S[i] <= 'Z')) {
                printf("No\n");
                return 0;
            }
        }
        else {
            if((S[i] >= 'a') && (S[i] <= 'z')) {
                printf("No\n");
                return 0;
            }
        }
    }

    printf("Yes\n");
    return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:8:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
    8 |     scanf("%s", S);
      |     ^~~~~~~~~~~~~~

Judge Result