Submission #570968

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
570968	2022-05-31 19:56:00	definitelynotmee	Paint By Numbers (IOI16_paint)	C++98	100 / 100	405 ms	163612 KiB

paint

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#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
using ll = long long;
using pii = pair<int,int> ;
using pll = pair<ll,ll>;
template<typename T>
using matrix = vector<vector<T>>;
const int INF =(1<<30)-1;
std::string solve_puzzle(std::string s, std::vector<int> c) {
    int n = s.size(), k = c.size();
    vector<pii> nextblank(n,{-1,n}), nextfull(n,{-INF,INF});
    
    int lastb = -1, lastf = -INF;
    for(int i = 0; i < n; i++){
        if(s[i] == '_')
            lastb = i;
        else if(s[i] == 'X')
            lastf = i;
        nextblank[i].ff = lastb;
        nextfull[i].ff = lastf;
    }
    lastb = n;
    lastf = INF;
    for(int i = n-1; i >= 0; i--){
        if(s[i] == '_')
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 3 / 3
• Subtask 3: 22 / 22
• Subtask 4: 27 / 27
• Subtask 5: 21 / 21
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10