Submission #487273

#	Time	Username	Problem	Language	Result	Execution time	Memory
487273		minhcool	Minerals (JOI19_minerals)	C++17	0 / 100	1 ms	712 KiB

minerals

#include<minerals.h>
#include<bits/stdc++.h>
using namespace std;
 
//#define int long long
#define fi first
#define se second
#define pb push_back
 
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;
 
const int N = 1e5 + 5;
 
const int oo = 1e18 + 7, mod = 1e9 + 7;
 
int n, a[N];
 
set<int> slices;
 
vector<int> le, ri;
 
vector<ii> answer;
 
queue<pair<vector<int>, vector<int>>> que;
 
void Solve(int N){
    n = N;
    le.clear();
    ri.clear();
    slices.clear();
    answer.clear();
    int lst = 0;
    for(int i = 1; i <= 2 * n; i++){
        int temp = Query(i);
        slices.insert(i);
        if(lst < temp){
            le.pb(i);
        }
        else{
            ri.pb(i);
        }
        lst = temp;
    }
    for(int i = 1; i <= 2 * n; i++) Query(i);
    slices.clear();
    //vector<int> 
    que.push({le, ri});
    while(!que.empty()){
        vector<int> a = que.front().fi, b = que.front().se;
        que.pop();
        //assert(a.size() == b.size());
        if(a.size() == 1){
            answer.pb({a[0], b[0]});
            continue;
        }
        int mid = (a.size() - 1) / 2;
        vector<int> a1, b1, a2, b2;
        for(int i = 0; i < mid; i++){
            Query(a[i]);
            slices.insert(a[i]);
            a1.pb(a[i]);
        }
        for(int i = mid; i < a.size(); i++) a2.pb(a[i]);
        int lst = 0;
        for(int i = 0; i < b.size(); i++){
            int temp = Query(b[i]);
            slices.insert(b[i]);
            if(temp != lst){
                b2.pb(b[i]);
                lst = temp;
            }
            else b1.pb(b[i]);
        }
        for(auto it : slices) Query(it);
        slices.clear();
        if(a1.size() != b1.size()){
          assert(a.size() == n);
          cout << "DAMM\n";
        }
        if(a2.size() != b2.size()) cout << "DAMM\n";
        if(a1.size()) que.push({a1, b1});
        if(a2.size()) que.push({a2, b2});
    }
    for(auto it : answer) Answer(it.fi, it.se);
}

Compilation message (stderr)

minerals.cpp:16:21: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   16 | const int oo = 1e18 + 7, mod = 1e9 + 7;
      |                ~~~~~^~~
minerals.cpp: In function 'void Solve(int)':
minerals.cpp:65:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |         for(int i = mid; i < a.size(); i++) a2.pb(a[i]);
      |                          ~~^~~~~~~~~~
minerals.cpp:67:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |         for(int i = 0; i < b.size(); i++){
      |                        ~~^~~~~~~~~~
In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from minerals.cpp:2:
minerals.cpp:79:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   79 |           assert(a.size() == n);
      |                  ~~~~~~~~~^~~~

• Subtask 1: 0 / 6
• Subtask 2: 0 / 25
• Subtask 3: 0 / 9
• Subtask 4: 0 / 30
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 10