Submission #2304365

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Source Code Expand

#include<cstdio>
int main() {
    char c;
    scanf("%c", &c);//读入字符 
    switch(c) {//针对每一种情况分别输出 
        case'A':
            printf("1\n");
            break;
        case'B':
            printf("2\n");
            break;
        case'C':
            printf("3\n");
            break;
        case'D':
            printf("4\n");
            break;
        case'E':
            printf("5\n");
            break;
    }
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:4:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%c", &c);//读入字符 
                    ^

Judge Result