제출 #1045958

#제출 시각아이디문제언어결과실행 시간메모리
1045958LittleOrange전선 연결 (IOI17_wiring)C++17
컴파일 에러
0 ms0 KiB
#include "wiring.h" #include<bits/stdc++.h> using namespace std; using ll = long long; long long min_total_length(std::vector<int> r, std::vector<int> b) { ll n = r.size(),m = b.size(); if (n<=200&&m<=200){ vector<pair<ll,ll>> v; for(ll i : r) v.push_back({i,0}); for(ll i : b) v.push_back({i,1}); sort(v.begin(),v.end()); ll w = n+m; vector<vector<ll>> dp(w,vector<ll>(w,big)); for(ll i = 0;i<w-1;i++){ if (v[i].second!=v[i+1].second){ dp[i][i+1] = v[i+1].first-v[i].first; } } for(ll i = w-1;i>=0;i--){ for(ll j = i+2;j<w;j++){ if (v[i].second!=v[j].second){ dp[i][j] = min(dp[i][j],(v[j].first-v[i].first)+dp[i+1][j-1]); } if (v[i].second){ auto it = lower_bound(r.begin(),r.end(),v[i].first); if (it!=r.end()){ dp[i][j] = min(dp[i][j],(*it-v[i].first)+dp[i+1][j]); } }else{ auto it = lower_bound(b.begin(),b.end(),v[i].first); if (it!=b.end()){ dp[i][j] = min(dp[i][j],(*it-v[i].first)+dp[i+1][j]); } } if (v[j].second){ auto it = lower_bound(r.begin(),r.end(),v[j].first); if (it!=r.begin()){ dp[i][j] = min(dp[i][j],(v[j].first-*--it)+dp[i][j-1]); } }else{ auto it = lower_bound(b.begin(),b.end(),v[j].first); if (it!=b.begin()){ dp[i][j] = min(dp[i][j],(v[j].first-*--it)+dp[i][j-1]); } } for(ll k = i+1;k+2<=j;k++){ dp[i][j] = min(dp[i][k]+dp[k+1][j],dp[i][j]); } } } return dp[0][w-1]; } ll c = min(n,m); ll ret = 0; for(ll i = 0;i<c;i++){ ret += b[i]-r[i+n-c]; } if (n>m){ for(ll i = 0;i<n-m;i++){ ret += b[0] - r[i]; } } if(m>n){ for(ll i = n;i<m;i++){ ret += b[i] - r.back(); } } return ret; }

컴파일 시 표준 에러 (stderr) 메시지

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:13:40: error: 'big' was not declared in this scope
   13 |   vector<vector<ll>> dp(w,vector<ll>(w,big));
      |                                        ^~~