Submission #140189

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
140189	2019-08-02T08:34:37 Z	ggoh	Gondola (IOI14_gondola)	C++14	Compilation error	0 ms	0 KB

gondola

#include "gondola.h"
#include <bits/stdc++.h>

int ch[100005],i;
struct A{
    int val,ind;
}data[100005];
bool cmp(A aa,A bb){return aa.val<bb.val;}

long long X=1e9+9;
long long pow(long long p,long long q)
{
    if(q==0)return 1ll;
    if(q==1)return p;
    long long O=pow(p,q/2);
    if(q%2)return O*O%X*p%X;
    return O*O%X;
}
int valid(int n, int inputSeq[])
{
    int ST=-1,st,C=1;
    for(i=0;i<n;i++)ch[i]=0;
    for(i=0;i<n;i++)
    {
      if(ch[inputSeq[i]]==1){C=0;break;}
      ch[inputSeq[i]]=1;
    }
    for(i=0;i<n;i++)
    {
        if(inputSeq[i]<=n)
        {
            st=i-inputSeq[i]+1;st=(st+n)%n;
            if(ST==-1)ST=st;
            else if(ST!=st){C=0;break;}
        }
    }
    return C;
}

//----------------------

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
    int ST=0,ba,sz=0,ans=0;
    for(i=0;i<n;i++)
    {
        if(gondolaSeq[i]<=n)ST=(i-gondolaSeq[i]+1+n)%n;
        else data[sz++]={gondolaSeq[i],i};
    }
    std::sort(data,data+sz,cmp);
    ba=n;
    for(i=0;i<sz;i++)
    {
        replacementSeq[ans++]=(data[i].ind-ST+n)%n+1;
        for(int j=ba+1;j<data[i].val;j++)
        {
            replacementSeq[ans++]=j;
        }
        ba=data[i].val;
    }
    return ans;
}

//----------------------

int countReplacement(int n, int inputSeq[])
{
    if(valid(n,inputSeq)==0)return 0;
    int m=0,ST=-1,ba,sz=0;
    long long ans=1ll;
    for(i=0;i<n;i++)
    {
        if(inputSeq[i]<=n)ST=(i-inputSeq[i]+1+n)%n;
        else data[sz++]={inputSeq[i],i};
    }
    if(ST==-1)ST=0,ans*=n;
    std::sort(data,data+sz,cmp);
    ba=n;
    for(i=0;i<sz;i++)
    {
        ans*=pow(sz-i,data[i].val-ba-1);
        ans%=X;
        ba=data[i].val;
    }


    return ans;
}

Compilation message

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:81:39: error: call of overloaded 'pow(int, int)' is ambiguous
         ans*=pow(sz-i,data[i].val-ba-1);
                                       ^
In file included from /usr/include/features.h:367:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/os_defines.h:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/c++config.h:533,
                 from /usr/include/c++/7/cassert:43,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:33,
                 from gondola.cpp:2:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:153:1: note: candidate: double pow(double, double)
 __MATHCALL_VEC (pow,, (_Mdouble_ __x, _Mdouble_ __y));
 ^
gondola.cpp:11:11: note: candidate: long long int pow(long long int, long long int)
 long long pow(long long p,long long q)
           ^~~
gondola.cpp:69:9: warning: unused variable 'm' [-Wunused-variable]
     int m=0,ST=-1,ba,sz=0;
         ^