제출 #335072

#제출 시각아이디문제언어결과실행 시간메모리
335072daniel920712Rail (IOI14_rail)C++14
30 / 100
3087 ms132336 KiB
#include "rail.h" #include <stdio.h> #include <stdlib.h> #include <queue> #include <utility> #include <unordered_set> using namespace std; priority_queue < pair < pair < int , int > , pair < int , int > > , vector < pair < pair < int , int > , pair < int , int > > > , greater < pair < pair < int , int > , pair < int , int > > > > all; bool have[5005]; unordered_set < int > use; void findLocation(int N, int first, int location[], int stype[]) { int x,y,z,i,j,t,w; location[0]=first; stype[0]=1; all.push(make_pair(make_pair(0,0),make_pair(0,-1))); for(i=0;i<N;i++) use.insert(i); while(!all.empty()) { y=all.top().first.first; x=all.top().second.first; z=all.top().second.second; w=all.top().first.second; all.pop(); if(have[x]) continue; have[x]=1; use.erase(x); if(z!=-1) { if(stype[z]==1) { stype[x]=2; location[x]=location[z]+w; } else { stype[x]=1; location[x]=location[z]-w; } } for(auto i:use) { //if(have[i]) continue; t=getDistance(x,i); all.push(make_pair(make_pair(y+t,t),make_pair(i,x))); } } }

컴파일 시 표준 에러 (stderr) 메시지

rail.cpp: In function 'void findLocation(int, int, int*, int*)':
rail.cpp:14:17: warning: unused variable 'j' [-Wunused-variable]
   14 |     int x,y,z,i,j,t,w;
      |                 ^
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