Submission #1532087

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Source Code Expand

#include <cstdio>
#include <cstring>
#include <cmath>
#include <map>
#include <stack>
#include <algorithm>
using namespace std;
const int Max = 1e5;

long long n, k, sum = 0;
struct Num{
	long long x, y;
}a[Max + 5];

bool cmp(Num p, Num q){
	return p.x < q.x;
}

int main()
{
	scanf ("%lld %lld", &n, &k);
	for (int i = 1; i <= n; i++)	scanf ("%lld %lld", &a[i].x, &a[i].y);
	sort(a + 1, a + n + 1, cmp);
	for (int i = 1; i <= n; i++){
		sum += a[i].y;
		if (sum < k)	continue;
		else if (sum >= k){
			printf ("%lld\n", a[i].x);
			return 0;
		}
	}
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:21:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf ("%lld %lld", &n, &k);
                             ^
./Main.cpp:22:68: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for (int i = 1; i <= n; i++) scanf ("%lld %lld", &a[i].x, &a[i].y);
                                                                    ^

Judge Result