제출 #421073

#제출 시각아이디문제언어결과실행 시간메모리
421073MDario전선 연결 (IOI17_wiring)C++11
13 / 100
56 ms8624 KiB
#include "wiring.h" #include<bits/stdc++.h> using namespace std; typedef long long ll; #define F first #define S second ll a[200001]; vector<pair<ll, bool>> v; ll f(ll af, ll bf, ll df){ if(bf-af+1>df-bf){ return (a[df]-a[bf])-(a[bf]-a[af-1])+((bf-af+1)-(df-bf))*v[bf+1].F; } else{ return (a[df]-a[bf])-(a[bf]-a[af-1])-((df-bf)-(bf-af+1))*v[bf].F; } } long long min_total_length(vector<int> r, vector<int> b) { ll n=r.size(), m=b.size(), c[20]; for(int i=0; i<n; i++)v.push_back({r[i], 0}); for(int i=0; i<m; i++)v.push_back({b[i], 1}); if(r[0]<b[0]) v.push_back({0, 1}); else v.push_back({0, 0}); sort(v.begin(), v.end()); ll dp[v.size()]; c[0]=-1; c[1]=-1; dp[0]=0; a[0]=0; for(int i=1; i<v.size(); i++){ a[i]=v[i].F+a[i-1]; } return f(1, n, n+m); for(int i=1; i<v.size(); i++){ if(i+1<v.size())if(v[i].S==v[i+1].S)continue; if(v[i].S==0){ dp[i]=1000000000000000ll; if(c[1]!=-1){ for(int t=c[1]; v[t].S==1; t--)dp[i]=min(dp[i], f(t, c[1], i)+min(dp[t], dp[t-1])); } c[0]=i; } else{ dp[i]=1000000000000000ll; if(c[0]!=-1){ for(int t=c[0]; v[t].S==0; t--)dp[i]=min(dp[i], f(t, c[0], i)+min(dp[t], dp[t-1])); } c[1]=i; } cout << dp[i] << " "; } return dp[n+m]; }

컴파일 시 표준 에러 (stderr) 메시지

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:30:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     for(int i=1; i<v.size(); i++){
      |                  ~^~~~~~~~~
wiring.cpp:34:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     for(int i=1; i<v.size(); i++){
      |                  ~^~~~~~~~~
wiring.cpp:35:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         if(i+1<v.size())if(v[i].S==v[i+1].S)continue;
      |            ~~~^~~~~~~~~
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