제출 #719342

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
719342		Ahmed57	친구 (IOI14_friend)	C++14	컴파일 에러	0 ms	0 KiB

friend

#include "friend.h"

#include <bits/stdc++.h>

using namespace std;

long long findSample(int n,int confidence[],int host[],int protocol[]){
    long long dp[n+1][2];
    for(int i = 0;i<n;i++){
        dp[i][1]=confidence[i];
        dp[i][0]=0;
    }
    for(int i = n-1;i>=1;i--){
        if(protocol[i]==0){
            dp[host[i]][0]+=dp[i][1];
            dp[host[i]][1]+=dp[i][0];
        }if(protocol[i]==1){
            dp[host[i]][1]+=dp[i][1];
            dp[host[i]][0]+=dp[i][0];
        }if(protocol[i]==2){
            dp[host[i]][0]+=dp[i][0];
            dp[host[i]][1]=max(dp[host[i]][1]+dp[i][0],dp[host[i]][0]+dp[i][1]);
        }
        dp[host[i]][1] = max(dp[host[i]][1],dp[host[i]][0]);
    }
    return max(dp[0][1],dp[0][0]);
}
/*signed main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n = 6;
    int host[] = {0,0,0,1,2,0};
    int con[] = {13,3,6,20,10,15};
    int prt[] = {0,0,1,2,1,0};
    cout<<find_sample(n,con,host,prt)<<endl;
}*/

컴파일 시 표준 에러 (stderr) 메시지

friend.cpp:7:11: error: ambiguating new declaration of 'long long int findSample(int, int*, int*, int*)'
    7 | long long findSample(int n,int confidence[],int host[],int protocol[]){
      |           ^~~~~~~~~~
In file included from friend.cpp:1:
friend.h:7:5: note: old declaration 'int findSample(int, int*, int*, int*)'
    7 | int findSample(int n,int confidence[],int host[],int protocol[]);
      |     ^~~~~~~~~~