제출 #718993

#제출 시각아이디문제언어결과실행 시간메모리
718993Karuk도시들 (IOI15_towns)C++14
25 / 100
19 ms888 KiB
#include "towns.h" #include<bits/stdc++.h> using namespace std; map<pair<int,int>,int>m; int getmindist(int d1,int d2,int d3) { int dd=(d1+d2-d3)/2; int d=(d1+d3-d2)/2; int ddd=(d2+d3-d1)/2; return max(max(d,dd),ddd); } int hubDistance(int n,int sub) { int maxd=0,maxind=0; int md=0; for(int i=1;i<n;i++) { int p=getDistance(0,i); m[{0,i}]=m[{i,0}]=p; if(maxd<p) { maxd=p; maxind=i; } } md=maxind; maxd=0; maxind=0; for(int i=0;i<n;i++) { if(i==md)continue; int p=getDistance(md,i); m[{md,i}]=m[{i,md}]=p; if(maxd<p) { maxd=p; maxind=i; } } int minr=INT_MAX; for(int i=0;i<n;i++) { if(i==md || i==maxind)continue; minr=min(minr,getmindist(maxd,m[{i,md}],getDistance(i,maxind))); } return minr; }

컴파일 시 표준 에러 (stderr) 메시지

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:11:27: warning: unused parameter 'sub' [-Wunused-parameter]
   11 | int hubDistance(int n,int sub) {
      |                       ~~~~^~~
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