Submission #525045

#	Time	Username	Problem	Language	Result	Execution time	Memory
525045		fabijan_cikac	Minerals (JOI19_minerals)	C++17	Compilation error	0 ms	0 KiB

minerals

#include <bits/stdc++.h>

using namespace std;

#include "minerals.h"

const int MAXN = (1 << 17);

#define F first
#define S second
#define pp pair<int, int>

vector<pp> sol;
deque<int> q;
int p[MAXN] = { 0 };

void findpar(vector<int> v, int val){
    if (v.size() == 2){
        sol.push_back({v[0], v[1]});
        return;
    }
    if (val){
        vector<int> a[2]; int maks = v.size() / 4;
        for (int i = 0; i < v.size(); ++i){
            int x = Query(v[i] + 1); q.push_back(v[i]); p[v[i]] = 1;
            if (x < maks){
                Query(v[i] + 1); a[1].push_back(v[i]); p[v[i]] = 0;
            }
            else a[0].push_back(v[i]);
        }
        findpar(a[0], 0); findpar(a[1], 1);
    }
    else{
        while (!q.empty()){
            if (p[q.front()]){
                int z = Query(q.front() + 1);
            }
            q.pop_front();
        }
        vector<int> a[2]; int maks = v.size() / 4;
        for (int i = 0; i < v.size(); ++i){
            int x = Query(v[i] + 1); q.push_back(v[i]); p[v[i]] = 1;
            if (x > maks){
                Query(v[i] + 1); a[1].push_back(v[i]); p[v[i]] = 0;
            }
            else a[0].push_back(v[i]);
        }
        findpar(a[0], 0); findpar(a[1], 1);
    }
}

void Solve(int N){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    vector<int> v;
    for (int i = 0; i < 2 * N; ++i)
        v.push_back(i);
    findpar(v);
    for (int i = 0; i < N; ++i)
        Answer(sol[i].F + 1, sol[i].S + 1);
}

Compilation message (stderr)

minerals.cpp: In function 'void findpar(std::vector<int>, int)':
minerals.cpp:24:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |         for (int i = 0; i < v.size(); ++i){
      |                         ~~^~~~~~~~~~
minerals.cpp:36:21: warning: unused variable 'z' [-Wunused-variable]
   36 |                 int z = Query(q.front() + 1);
      |                     ^
minerals.cpp:41:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |         for (int i = 0; i < v.size(); ++i){
      |                         ~~^~~~~~~~~~
minerals.cpp: In function 'void Solve(int)':
minerals.cpp:59:14: error: too few arguments to function 'void findpar(std::vector<int>, int)'
   59 |     findpar(v);
      |              ^
minerals.cpp:17:6: note: declared here
   17 | void findpar(vector<int> v, int val){
      |      ^~~~~~~