Submission #682297

#	Time	Username	Problem	Language	Result	Execution time	Memory
682297		MilosMilutinovic	Happiness (Balkan15_HAPPINESS)	C++14	30 / 100	2024 ms	13996 KiB

happiness

#include "happiness.h"
#include <bits/stdc++.h>
 
using namespace std;
 
multiset<long long> c;
 
bool Process(multiset<long long> st) {
  vector<long long> v;
  for (auto x : st) {
    v.push_back(x);
  }
  vector<long long> pref(1, 1);
  for (auto x : st) {
    pref.push_back(pref.back() + x);
  }
  for (int i = 0; i < (int) v.size(); i++) {
    if (pref[i] < v[i] && (i == 0 || v[i] != v[i - 1])) {
      return false;
    }
  }
  return true;
}
 
bool init(int coinsCount, long long maxCoinSize, long long coins[]) {
  for (int i = 0; i < coinsCount; i++) {
    c.insert(coins[i]);
  }
  return Process(c);
}
 
bool is_happy(int event, int coinsCount, long long coins[]) {
  if (event == -1) {
    for (int i = 0; i < coinsCount; i++) {
      c.erase(c.find(coins[i]));
    }
  } else {
    for (int i = 0; i < coinsCount; i++) {
      c.insert(coins[i]);
    }
  }
  return Process(c);
}

Compilation message (stderr)

grader.cpp: In function 'int main()':
grader.cpp:16:12: warning: unused variable 'max_code' [-Wunused-variable]
   16 |  long long max_code;
      |            ^~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 0 / 30
• Subtask 4: 0 / 40