Submission #16523

#	Time	Username	Problem	Language	Result	Execution time	Memory
16523		eaststar	Friend (IOI14_friend)	C++14	Compilation error	0 ms	0 KiB

friend

#include "friend.h"
#include <algorithm>
using namespace std;
int a[100010],b[100010];
void findSample(int n,int *c,int *h,int *p){
    int i;
    for(i=0;i<n;++i)a[i]=c[i];
    for(;--i;){
        if(!p[i]){
            a[h[i]]+=b[i];
            b[h[i]]+=max(a[i],b[i]);
        }
        else if(p[i]==1){
            a[h[i]]=max(a[h[i]]+max(a[i],b[i]),b[h[i]]+a[i]);
            b[h[i]]+=b[i];
        }
        else{
            a[h[i]]=max(a[h[i]]+b[i],b[h[i]]+a[i]);
            b[h[i]]+=b[i];
        }
    }
    return max(a[0],b[0]);
}

Compilation message (stderr)

friend.cpp: In function ‘void findSample(int, int*, int*, int*)’:
friend.cpp:5:43: error: ambiguating new declaration of ‘void findSample(int, int*, int*, int*)’
 void findSample(int n,int *c,int *h,int *p){
                                           ^
In file included from friend.cpp:1:0:
friend.h:7:5: note: old declaration ‘int findSample(int, int*, int*, int*)’
 int findSample(int n,int confidence[],int host[],int protocol[]);
     ^
friend.cpp:22:25: error: return-statement with a value, in function returning 'void' [-fpermissive]
     return max(a[0],b[0]);
                         ^