Submission #3766429

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Source Code Expand

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
//絶対値
long long int change_plus(long long int a) {
	if (a < 0) { return -a; }
	if (a >= 0) { return a; }
}
//大小比較(大)
long long int big(long long int a, long long int b) {
	if (a >= b) {
		return a;
	}
	else {
		return b;
	}
}

//大小比較(小)
long long int small(long long int a, long long int b) {
	if (a >= b) {
		return b;
	}
	else {
		return a;
	}
}

int main() {
	long long int n, m, k,p,q;
	char str[30],str2[15],str3[15];
	scanf("%lld",&n);
	printf("%lld\n", (n / 2)*(n - (n / 2)));

}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:32:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&n);
  ^

Judge Result