제출 #71007

#제출 시각아이디문제언어결과실행 시간메모리
71007funcsr전선 연결 (IOI17_wiring)C++17
컴파일 에러
0 ms0 KiB
#include "wiring.h" #include <iostream> #include <vector> #include <queue> #include <set> #define rep(i, n) for (int i=0; i<(n); i++) #define all(x) (x).begin(), (x).end() #define pb push_back #define INF 1145141919 #define _1 first #define _2 second using namespace std; typedef pair<int, int> P; inline void chmin(long long &x, long long v) { if(x>v)x=v; } int N; long long dp[401][401][401]; long long cost[401]; long long min_total_length(vector<int> R, vector<int> B) { vector<P> all; for (int x : R) all.pb(P(x, 0)); for (int x : B) all.pb(P(x, 1)); sort(all(all)); N = all.size(); rep(i, N) { cost[i] = INF; if (all[i]._2 == 0) { auto it = lower_bound(all(B), all[i]._1); if (it != B.end()) chmin(cost[i], *it-all[i]._1); if (it != B.begin()) chmin(cost[i], all[i]._1-*(--it)); } else { auto it = lower_bound(all(R), all[i]._1); if (it != R.end()) chmin(cost[i], *it-all[i]._1); if (it != R.begin()) chmin(cost[i], all[i]._1-*(--it)); } } //rep(i,N)cout<<cost[i]<<",";cout<<"\n"; rep(i, N+1) rep(j, N+1) rep(k, N+1) dp[i][j][k] = INF; dp[0][0][0] = 0; rep(i, N) { int pos = all[i]._1, color = all[i]._2; rep(j, N) { rep(k, N) { // [ if (all[i]._2 == 0) chmin(dp[i+1][j+1][k], dp[i][j][k]-pos); if (all[i]._2 == 1) chmin(dp[i+1][j][k+1], dp[i][j][k]-pos); // ] if (all[i]._2 == 1 && j > 0) chmin(dp[i+1][j-1][k], dp[i][j][k]+pos); if (all[i]._2 == 0 && k > 0) chmin(dp[i+1][j][k-1], dp[i][j][k]+pos); // . chmin(dp[i+1][j][k], dp[i][j][k] + cost[i]); } } } return dp[N][0][0]; }

컴파일 시 표준 에러 (stderr) 메시지

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:24:3: error: 'sort' was not declared in this scope
   sort(all(all));
   ^~~~
wiring.cpp:24:3: note: suggested alternative: 'qsort'
   sort(all(all));
   ^~~~
   qsort
wiring.cpp:44:26: warning: unused variable 'color' [-Wunused-variable]
     int pos = all[i]._1, color = all[i]._2;
                          ^~~~~