Submission #1780759

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Source Code Expand

#include <stdio.h>

int main(void) {
	int a = 0;

	scanf("%d", &a);

	printf("%d\n", a - 1);

	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &a);
                 ^

Judge Result