Submission #128292

#	Time	Username	Problem	Language	Result	Execution time	Memory
128292		Osama_Alkhodairy	Minerals (JOI19_minerals)	C++17	Compilation error	0 ms	0 KiB

minerals

#include <bits/stdc++.h>
//~ #include "minerals.h"
#include "grader.cpp"
using namespace std;

set <int> active; 
vector <int> s, e;
int curl, curr;
int curq;

int query(int x){
    if(active.count(x)) active.erase(x);
    else active.insert(x);
    return curq = Query(x);
}
void solve(int l, int r, vector <int> &cur){
    if(r < l) return;
    if(l == r){
        assert(cur.size() == 1);
        Answer(e[l], cur[0]);
        return;
    }
    int mid = (l + r) / 2;
    for(int i = l ; i <= mid ; i++){
        if(active.count(e[i])) continue;
        query(e[i]);
    }
    while(1){
        auto it = active.upper_bound(e[mid]);
        if(it == active.end() || *it > e[r]) break;
        query(*it);
    }
    vector <int> left, right;
    for(auto &i : cur){
        int las = curq;
        int x = query(i);
        if(x == las) left.push_back(i);
        else right.push_back(i);
        query(i);
    }
    solve(l, mid, left);
    solve(mid + 1, r, right);
}
void Solve(int N){
    int prev = 0;
    for(int i = 1 ; i <= 2 * N ; i++){
        int cur = query(i);
        if(cur != prev) s.push_back(i);
        else e.push_back(i);
        prev = cur;
    }
    for(auto &i : s) query(i);
    curl = 0;
    curr = N - 1;
    solve(0, N - 1, s);
}

Compilation message (stderr)

/tmp/ccurjv9g.o: In function `Query(int)':
grader.cpp:(.text+0x20): multiple definition of `Query(int)'
/tmp/cc3S97fq.o:minerals.cpp:(.text+0x20): first defined here
/tmp/ccurjv9g.o: In function `Answer(int, int)':
grader.cpp:(.text+0xf0): multiple definition of `Answer(int, int)'
/tmp/cc3S97fq.o:minerals.cpp:(.text+0xf0): first defined here
/tmp/ccurjv9g.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cc3S97fq.o:minerals.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status