Submission #6821855

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Source Code Expand

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

const int N = 1e5 + 10;

int n, m;
multiset<int> available;
vector<int> job[N];

int main() {
  scanf("%d %d", &n, &m);
  for (int i = 0; i < n; i++) {
    int a, b;
    scanf("%d %d", &a, &b);
    job[a].push_back(b);
  }

  int ans = 0;
  for (int i = m - 1; i >= 0; i--) {
    for (int x : job[m - i])
      available.insert(x);
    if (!available.empty()) {
      ans += *prev(available.end());
      available.erase(prev(available.end()));
    }
  }
  printf("%d\n", ans);
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &n, &m);
                         ^
./Main.cpp:14:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &a, &b);
                           ^

Judge Result