Submission #1166617

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Source Code Expand

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>
 
#define sl(x) scanf("%ld", &x)
#define ss(x) scanf("%s", x)
#define pl(x) printf("%ld\n", x)
#define pd(x) printf("%lf\n", x)
#define ps(x) printf("%s\n", x)
 
#define INF 1000000000000000000
#define MOD 1000000007
 
#define MIN(a,b) (((a)<(b))?(a):(b))
#define MAX(a,b) (((a)>(b))?(a):(b))

int compare_long(const void *a, const void *b) {
	return *(long*)a - *(long*)b;
}
 
int main() {
	long X;
	long sum = 0;
	long i, j;
	
	sl(X);
	
	for(i=1;i<=X;i++) {
		sum += i;
		if(sum >= X) {
			break;
		}
	}
	
	pl(i);
	
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:6:15: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
 #define sl(x) scanf("%ld", &x)
               ^
./Main.c:27:2: note: in expansion of macro ‘sl’
  sl(X);
  ^

Judge Result