Submission #314790

#	Time	Username	Problem	Language	Result	Execution time	Memory
314790		kylych03	Sorting (IOI15_sorting)	C++14	Compilation error	0 ms	0 KiB

sorting

#include"sorting.h"
#include<bits/stdc++.h>
#include"grader.cpp"
using namespace std;
int n,s[800005],x[800005],y[800005],tmp[800005],pos[800005];
vector<pair<int,int>>res;
bool check(int m){
    int i;
    for(i=0;i<n;i++)tmp[i]=s[i];
    for(i=0;i<m;i++)swap(tmp[x[i]],tmp[y[i]]);
    for(i=0;i<n;i++)pos[tmp[i]]=i;
    vector<pair<int,int>>sw;
    res.clear();
    for(i=0;i<n;i++){
        if(pos[i]==i)continue;
        sw.push_back({tmp[i],tmp[pos[i]]});
        swap(tmp[pos[i]],tmp[i]);
        swap(pos[tmp[pos[i]]],pos[tmp[i]]);
    }
    if(sw.size()>m)return 0;
    for(i=0;i<n;i++)tmp[i]=s[i],pos[tmp[i]]=i;
    for(i=0;i<sw.size();i++){
        swap(tmp[x[i]],tmp[y[i]]);
        swap(pos[tmp[x[i]]],pos[tmp[y[i]]]);
        res.push_back({pos[sw[i].first],pos[sw[i].second]});
        swap(tmp[pos[sw[i].first]],tmp[pos[sw[i].second]]);
        swap(pos[tmp[pos[sw[i].first]]],pos[tmp[pos[sw[i].second]]]);
    }
    for(;i<m;i++)res.push_back({0,0});
    return 1;
}
int findSwapPairs(int N,int S[],int m,int X[],int Y[],int P[],int Q[]){
    n=N;
    int i;
    for(i=0;i<n;i++)s[i]=S[i];
    for(i=0;i<m;i++)x[i]=X[i];
    for(i=0;i<m;i++)y[i]=Y[i];


    check(m);
    for(i=0;i<m;i++)P[i]=res[i].first,Q[i]=res[i].second;
    return m;
}

Compilation message (stderr)

sorting.cpp:3:9: fatal error: grader.cpp: No such file or directory
    3 | #include"grader.cpp"
      |         ^~~~~~~~~~~~
compilation terminated.