Submission #1188242

#	Time	Username	Problem	Language	Result	Execution time	Memory
1188242		mahmudow_mahmyt	Paint By Numbers (IOI16_paint)	C++20	10 / 100	99 ms	424 KiB

paint

#include "bits/stdc++.h"
#include "paint.h"
#define ll long long
#define ff first
#define ss second
#define mxn 100002
#define pb push_back
#define yes cout<<"YES"<<endl
#define no cout<<"NO"<<endl
using namespace std;
string ans="";
bool check(string &s,vector<int> &c){
	int cnt=0,in=0;
	s+='_';
	for(int i=0;i<s.size();i++){
		if(s[i]=='X') cnt++;
		else{
			if(cnt==0) continue;
			if(in==(int)c.size() or cnt!=c[in]) return false;
			cnt=0,in++;
		}
	}
	if(in!=(int)c.size()) return false;
	return true;
}
void work(string &s){
	if(count(ans.begin(),ans.end(),'!')==(int)s.size()){
		ans=s;
		return ;
	}
	for(int i=0;i<s.size();i++){
		if(ans[i]=='?') continue;
		if(ans[i]!=s[i]) ans[i]='?';
	}	
}
string sub12(string &s,vector<int> &c){
	int n=s.size();
	for(int i=0;i<n;i++) ans+='!';
	string s1;
	for(int i=0;i<(1<<n);i++){
		s1="";
		for(int j=0;j<n;j++){
			if((i>>j)&1){
				s1+='X';
			}else{
				s1+='_';
			}
		}
		if(check(s1,c)){
			s1.pop_back();
			work(s1);
		}
	}
	return ans;
}
string solve_puzzle(string s, vector<int> c){
	if((int)s.size()<=20) return sub12(s,c);
}
//int main(){
//	ios::sync_with_stdio(0);
//	cin.tie(0);
//	cout.tie(0);
////	freopen("input.txt","r",stdin);
//// 	freopen("output.txt","w",stdout);
//	string s;
//	cin>>s;
//	int k;
//	cin>>k;
//	vector<int> c(k);
//	for(int i=0;i<k;i++){
//		cin>>c[i];
//	}
//	cout<<solve_puzzle(s,c)<<endl;
//}

Compilation message (stderr)

paint.cpp: In function 'std::string solve_puzzle(std::string, std::vector<int>)':
paint.cpp:58:1: warning: control reaches end of non-void function [-Wreturn-type]
   58 | }
      | ^
paint.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
paint_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

• Subtask 1: 7 / 7
• Subtask 2: 3 / 3
• Subtask 3: 0 / 22
• Subtask 4: 0 / 27
• Subtask 5: 0 / 21
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10