Submission #1105892

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1105892	2024-10-28 08:45:26	WeIlIaN	Fireworks (APIO16_fireworks)	C++14	100 / 100	143 ms	50996 KiB

fireworks

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/*
 * Author: Gyeonggeun Kim(kriii)
 * Time Complexity: O(N lg^2 N)
 */
#include <stdio.h>
#include <algorithm>
#include <queue>
using namespace std;
const int maxn = 300003;
priority_queue<long long> *Q[maxn];
int N,M,V,P[maxn],C[maxn],D[maxn]; long long E[maxn];
int main()
{
  scanf ("%d %d",&N,&M);
  V = N + M;
  
  for (int i=2;i<=V;i++) scanf ("%d %d",&P[i],&C[i]);
  for (int i=1;i<=V;i++) Q[i] = new priority_queue<long long>;
  for (int i=V;i>=2;i--){
    long long p = 0, q = 0;
    if (D[i]){
      for (int j=1;j<D[i];j++){
        E[i] += Q[i]->top(); Q[i]->pop();
      }
      p = Q[i]->top(); Q[i]->pop();
      q = Q[i]->top(); Q[i]->pop();
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

fireworks.cpp: In function 'int main()':
fireworks.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |  scanf ("%d %d",&N,&M);
      |  ~~~~~~^~~~~~~~~~~~~~~
fireworks.cpp:20:31: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |  for (int i=2;i<=V;i++) scanf ("%d %d",&P[i],&C[i]);
      |                         ~~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 19 / 19
• Subtask 3: 29 / 29
• Subtask 4: 45 / 45