Submission #3443978

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

#define FOR(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define RFOR(i,a,b) for(int i=(int)(b)-1;i>=(int)(a);i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define LL long long
#define INF INT_MAX/3

const double EPS = 1e-14;
const double PI  = acos(-1.0);


int main(){
  int n, x;
  scanf("%d %d", &n, &x);

  vector<int> a(n);
  REP (i, n) {
    scanf("%d", &a[i]);
  }

  sort(a.begin(), a.end());

  int i = 0;
  while (i < n && x > 0) {
    if (x - a[i] >= 0)
      x -= a[i];
    else
      break;
    if (i + 1 == n && x > 0)
      break;
    i++;
  }

  cout << i << endl;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:17:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &n, &x);
                         ^
./Main.cpp:21:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &a[i]);
                       ^

Judge Result