제출 #115360

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
115360		Runtime_error_	Tropical Garden (IOI11_garden)	C++14	컴파일 에러	0 ms	0 KiB

garden

//IOI 2011 Day 1 Problem 1 Garden
// First subtask solution 49 points
//#include "garden.h"//for CMS
//#include "gardenlib.h"//for CMS

//#include "grader.h" // for Yandex
#include <bits/stdc++.h>
using namespace std;
const int inf=1e3+9;
int ans=0,target;
vector<pair<int,int> > v[inf];

void dfs(int node,int left,int par){

    if(left==0 ){
        ans+=(node==target);
        return ;
    }

    pair<int,int >  temp[4];
    temp[1]=temp[2]=temp[0]=make_pair(1e9,1e9);

    for(auto o:v[node])
        temp[2]=o,sort(temp,temp+3);

    if(temp[0].second!=par || temp[1].second>=1e9)
        dfs(temp[0].second,left-1,node);
    else
        dfs(temp[1].second,left-1,node);
}

void count_routes(int N, int M, int P, int R[][2], int Q, int G[])
{

    for(int i=0;i<M;i++)
        v[R[i][0]].push_back(make_pair(i,R[i][1])),
        v[R[i][1]].push_back(make_pair(i,R[i][0]) );

    target=P;
    for(int i=0;i<N;i++)
       dfs(i,G[0],-1);

    answer(ans);
}

컴파일 시 표준 에러 (stderr) 메시지

garden.cpp: In function 'void count_routes(int, int, int, int (*)[2], int, int*)':
garden.cpp:43:5: error: 'answer' was not declared in this scope
     answer(ans);
     ^~~~~~
garden.cpp:43:5: note: suggested alternative: 'ans'
     answer(ans);
     ^~~~~~
     ans