Submission #1029619

#	Time	Username	Problem	Language	Result	Execution time	Memory
1029619		Otalp	Super Dango Maker (JOI22_dango3)	C++17	7 / 100	7029 ms	1512 KiB

dango3

#include "dango3.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back


namespace {

int variable_example = 1;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int gen(int i){return rng()%i;}
}  // namespace


void Solve(int N, int M) {
    int n = N, m = M;
    map<int, int> us, ddus;
    vector<int> rs;
    for(int i=1; i<=n*m; i++){
        rs.pb(i);
    }
    //random_shuffle(rs.begin(), rs.end(), gen);
    for(int i=1; i<=m; i++){
        vector<int> d;
        for(int j: rs){
            if(us[j]) continue;
            d.pb(j);
            if(ddus[j]) continue;
            if(d.size() >= n){
                int g = Query(d);
                if(g) break;
            }
        }
        map<int, int> dus;
        for(int x: d){
            vector<int> f;
            for(int y: d){
                if(x == y) continue;
                if(dus[y]) continue;
                f.pb(y);
            }
            int g = Query(f);
            if(g == 1){
                dus[x] = 1;
            }
            else{
                us[x] = 1;
            }
        }
        vector<int> f;
        for(int x: d){
            if(us[x]) f.pb(x);
            else ddus[x] = 1;
        }
        Answer(f);
    }
}

Compilation message (stderr)

dango3.cpp: In function 'void Solve(int, int)':
dango3.cpp:29:25: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   29 |             if(d.size() >= n){
      |                ~~~~~~~~~^~~~
dango3.cpp: At global scope:
dango3.cpp:11:5: warning: 'int {anonymous}::gen(int)' defined but not used [-Wunused-function]
   11 | int gen(int i){return rng()%i;}
      |     ^~~
dango3.cpp:9:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
    9 | int variable_example = 1;
      |     ^~~~~~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 5 / 5
• Subtask 3: 0 / 15
• Subtask 4: 0 / 78