Submission #1023017

#	Time	Username	Problem	Language	Result	Execution time	Memory
1023017		vjudge1	Last supper (IOI12_supper)	C++17	Compilation error	0 ms	0 KiB

advisor

#include "advisor.h"
#include<bits/stdc++.h>
using namespace std;
bitset<500100>onf;
void ComputeAdvice(int *C, int N, int K, int M) {
    vector<int>nxt(N),lst(N,N),plat(K),dead(N+K,N);
    iota(plat.begin(),plat.end(),0);
    C[N]=N+5;
    for(int i=N;i--;)
        nxt[i]=lst[C[i]],
        lst[C[i]]=i;
    set<pair<int,int>> st;
    for(auto i:plat)onf[i]=1,
        st.insert({lst[i],i+N});
    int df=log2(2*K-1);
    for(int i=0;i<N;i++){
        if(onf[C[i]]){
            auto [x,y]=*st.lower_bound({i,0});
            st.erase({x,y});
            st.insert({nxt[i],y});
            continue;
        }
        onf[C[i]]=1;
        auto[x,y]=*--st.end();
        dead[y]=i;
        st.erase({x,y});
        st.insert({nxt[i],i});
        onf[C[x]]=0;
    }
    for(int i=0;i<K;i++)
        nxt.push_back(lst[i]);
    for(int i=0;i<N+K;i++)
        WriteAdvice(dead[i]<nxt[i]);
}

assistant

Compilation message (stderr)

advisor.cpp: In function 'void ComputeAdvice(int*, int, int, int)':
advisor.cpp:16:9: warning: unused variable 'df' [-Wunused-variable]
   16 |     int df=log2(2*K-1);
      |         ^~

/usr/bin/ld: /tmp/ccxvUsKj.o: in function `main':
assistant_grader.cpp:(.text.startup+0x21e): undefined reference to `Assist(unsigned char*, int, int, int)'
collect2: error: ld returned 1 exit status