Submission #28087

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
28087	2017-07-15T10:21:50 Z	noobprogrammer	Towns (IOI15_towns)	C++14	Compilation error	0 ms	0 KB

towns

#include "towns.h"
#include <bits/stdc++.h>
using namespace std ;
#define vi vector<int>

int from[105] , to[105] ;
vii len[1000010] ;

int hubDistance(int n, int sub) {
	int mdist = -1 , opt = -1 , tmp ; 
	for(int i=0;i<n;i++){
		tmp = getDistance(0 , i) ;
		if(mdist < tmp){
			mdist = tmp ;
			opt = i ;
		}
	}
	mdist = -1 ;
	int nxt = -1 ;
	for(int i=0;i<n;i++){
		from[i] = getDistance(opt , i) ;
		if(from[i] > mdist){
			mdist = from[i] ;
			nxt = i;
		}
	}
	for(int i=0;i<n;i++) to[i] = getDistance(nxt , i ) ;
	for(int i=1;i<=1000000;i++) len[i].clear() ;
	int res = 1e9 ; 
	for(int i=0;i<n;i++){
		if(i == nxt ||i == opt) continue ;
		int ok = (from[i] + to[i] - mdist)/2 ;
		int ln = from[i] - ok ; 
		len[ln].push_back({i , ok }) ;
		res = min(res , max( mdist - ln , ln ) ) ;
	}
	return res ;

}

Compilation message

towns.cpp:7:1: error: 'vii' does not name a type
 vii len[1000010] ;
 ^
towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:28:30: error: 'len' was not declared in this scope
  for(int i=1;i<=1000000;i++) len[i].clear() ;
                              ^
towns.cpp:34:3: error: 'len' was not declared in this scope
   len[ln].push_back({i , ok }) ;
   ^
towns.cpp: At global scope:
towns.cpp:9:28: warning: unused parameter 'sub' [-Wunused-parameter]
 int hubDistance(int n, int sub) {
                            ^