제출 #838025

#제출 시각아이디문제언어결과실행 시간메모리
838025Kerim전선 연결 (IOI17_wiring)C++17
17 / 100
1085 ms13756 KiB
#include "wiring.h" #include "bits/stdc++.h" #define ff first #define ss second #define ll long long using namespace std; const ll B = 1e16; ll min_total_length(vector<int> r, vector<int> b) { vector<pair<int,int> > v; vector<vector<int> > d; vector<int> sz; for (auto x: r) v.push_back({x, 0}); for (auto x: b) v.push_back({x, 1}); sort(v.begin(), v.end()); for (int i = 0; i < v.size(); i++){ int j = i; vector<int> g{-1}; while (j < v.size() and v[i].ss == v[j].ss){ g.push_back(v[j].ff); j += 1; } d.push_back(g); sz.push_back(j - i); i = j - 1; } int block_size = 0, n = d.size(); for (auto x: sz) block_size = max(block_size, x); vector<vector<ll> > dp(n, vector<ll>(block_size+1, B)); dp[0][0] = 0; for (int i = 1; i < n; i++){ dp[i][0] = dp[i-1][sz[i-1]]; for (int j = 1; j <= sz[i]; j++) for (int k = 1; k <= sz[i-1]; k++){ ll cost = (d[i][1] - d[i-1][sz[i-1]])*1LL*max(j, (sz[i-1] - k + 1)); for (int h = k; h <= sz[i-1]; h++) cost += d[i-1][sz[i-1]] - d[i-1][h]; for (int h = 1; h <= j; h++) cost += d[i][h] - d[i][1]; dp[i][j] = min(dp[i][j], min(dp[i-1][k-1], dp[i-1][k]) + cost); } } return dp[n-1][sz[n-1]]; }

컴파일 시 표준 에러 (stderr) 메시지

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:15:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |  for (int i = 0; i < v.size(); i++){
      |                  ~~^~~~~~~~~~
wiring.cpp:18:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |   while (j < v.size() and v[i].ss == v[j].ss){
      |          ~~^~~~~~~~~~
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...