제출 #113889

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
113889	2019-05-29 03:44:29	Mamnoon_Siam	Minerals (JOI19_minerals)	C++17	100 / 100	771 ms	5072 KiB

minerals

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#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector")
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;
const int maxn = 43000 + 5;
int dp[maxn], opt[maxn];
void solve(vector<int> u, vector<int> v, int f) {
  if(u.empty()) return;
  if(u.size() == 1) {
    Answer(u.back(), v.back());
    return;
  }
  int mid, last;
  if(f) {
    mid = u.size() - opt[u.size()];
    for(int i = mid; i < v.size(); i++) {
      last = Query(v[i]);
    }
  } else {
    mid = opt[u.size()];
    for(int i = 0; i < mid; i++) {
      last = Query(v[i]);
    }
  }
  vector<int> lu, lv(v.begin(), v.begin() + mid);
  vector<int> ru, rv(v.begin() + mid, v.end());
 
 
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컴파일 시 표준 에러 (stderr) 메시지

minerals.cpp: In function 'void solve(std::vector<int>, std::vector<int>, int)':
minerals.cpp:19:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = mid; i < v.size(); i++) {
                    ~~^~~~~~~~~~
minerals.cpp:32:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < u.size(); i++) {
                 ~~^~~~~~~~~~
minerals.cpp: In function 'void split(std::vector<int>)':
minerals.cpp:55:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < v.size(); i++) {
                 ~~^~~~~~~~~~
minerals.cpp: In function 'void solve(std::vector<int>, std::vector<int>, int)':
minerals.cpp:39:4: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized]
    if(rep == last) {
    ^~
minerals.cpp: In function 'void Solve(int)':
minerals.cpp:82:10: warning: 'arg' may be used uninitialized in this function [-Wmaybe-uninitialized]
   opt[i] = arg;
   ~~~~~~~^~~~~

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• Subtask 2: 25 / 25
• Subtask 3: 9 / 9
• Subtask 4: 30 / 30
• Subtask 5: 5 / 5
• Subtask 6: 5 / 5
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• Subtask 9: 10 / 10