Submission #2250696

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Source Code Expand

#include<cstdio>
int main() {
	int a;
	scanf("%d", &a);
	switch(a) {
		case 1:
			printf("2\n");
			break;
		case 2:
			printf("3\n");
			break;
		case 3:
			printf("4\n");
			break;
		case 4:
			printf("5\n");
			break;
		case 5:
			printf("6\n");
			break;
		case 6:
			printf("7\n");
			break;
		case 7:
			printf("8\n");
			break;
		case 8:
			printf("9\n");
			break;
		case 9:
			printf("10\n");
			break;
		case 10:
			printf("11\n");
			break;
		case 11:
			printf("12\n");
			break;
		case 12:
			printf("1\n");
			break;
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:4:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &a);
                 ^

Judge Result