oj.uz

Submission #446649

# Submission time Handle Problem Language Result Execution time Memory
446649 2021-07-22T22:35:17 Z RGBB Weird Numeral System (CCO21_day1problem2) C++14
8 / 25
 634 ms 1048580 KB 
#include <iostream>
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
typedef long long ll;
using namespace std;
using namespace __gnu_pbds;
const int MAXD=5005;
int k,q,d,m,coef[MAXD];
vector<int>outp;
gp_hash_table<int,bool>memo;
bool solve(ll v){
    if(memo.find(v)!=memo.end())return memo[v];
    for(int i=0;i<d;i++){
        if((v-coef[i])%k!=0)continue;
        if(v==coef[i]){
            outp.push_back(coef[i]);
            return memo[v]=true;
        }
        if((v-coef[i])/k!=v&&solve((v-coef[i])/k)){
            outp.push_back(coef[i]);
            return memo[v]=true;
        }
    }
    return memo[v]=false;
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin>>k>>q>>d>>m;
    for(int i=0;i<d;i++)cin>>coef[i];
    for(int i=0;i<q;i++){
        ll inp;
        cin>>inp;
        outp.clear();
        memo.clear();
        if(solve(inp)){
            for(int j=0;j<outp.size()-1;j++)cout<<outp[j]<<" ";
            cout<<outp.back()<<"\n";
        }
        else cout<<"IMPOSSIBLE\n";
    }
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:37:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |             for(int j=0;j<outp.size()-1;j++)cout<<outp[j]<<" ";
      |                         ~^~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB OK
2 Correct 0 ms 204 KB OK
3 Correct 0 ms 204 KB OK
4 Correct 0 ms 204 KB OK
5 Correct 1 ms 324 KB OK
6 Correct 1 ms 204 KB OK
7 Correct 1 ms 204 KB OK
8 Correct 1 ms 204 KB OK

Subtask #2
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB OK
2 Correct 0 ms 204 KB OK
3 Correct 0 ms 204 KB OK
4 Correct 0 ms 204 KB OK
5 Correct 1 ms 324 KB OK
6 Correct 1 ms 204 KB OK
7 Correct 1 ms 204 KB OK
8 Correct 1 ms 204 KB OK
9 Runtime error 634 ms 1048580 KB Execution killed with signal 9
10 Halted 0 ms 0 KB -