Submission #2385418

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Source Code Expand

#include <cstdio>
#include <iostream>
#include <deque>
#include <algorithm>
using namespace std;

int main(){
  int n, c;
  cin >> n >> c;
  deque<int> v(n);
  for (int i = 0; i < n; i++) {
    scanf("%d", &v[i]);
  }
  sort(v.begin(), v.end());
  int count = 0;
  while(!v.empty()) {
    if (n > 1) {
      if (v.back() + v.front() < c) {
        count++;
        v.pop_front(); v.pop_back();
        n -= 2;
      } else {
        count++;
        v.pop_back();
        n--;
      }
    } else {
      count++;
      n--;
      v.pop_front();
    }
  }
  cout << count << endl;
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &v[i]);
                       ^

Judge Result