Submission #1223806

#	Time	Username	Problem	Language	Result	Execution time	Memory
1223806		vidux	Paint By Numbers (IOI16_paint)	C++17	32 / 100	0 ms	328 KiB

paint

#include "paint.h"

#include <bits/stdc++.h>
#define fi first
#define se second
#define ALL(x) (x.begin()), (x.end())
#define DEBUG(x) cerr << #x << ": " << x << endl;
#define DEBUG_ARR(x) cerr << #x << ": "; for (auto &y : x) cout << y << " "; cout << endl;
#define SZ(x) ((int)x.size())
using namespace std;
typedef long long ll;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

std::string solve_puzzle(std::string s, std::vector<int> c) {
	int n = SZ(s);
	int k = SZ(c);
	vi w(n), b(n);
	int pref = 0;
	int extra = n-accumulate(ALL(c), 0)-k+1;
	for (int i = 0; i < k; i++) {
		for (int j = pref; j < c[i]+pref+extra; j++) {
			b[j] = 1;
		}
		for (int j = 0; j < extra; j++) {
			w[pref+j] = 1;
			w[c[i]+pref+extra-1-j] = 1;
		}
		if (pref-1 >= 0) w[pref-1] = 1;
		if (c[i]+pref+extra < n) w[c[i]+pref+extra] = 1;
		pref += 1+c[i];
	}
	string ans(n, '?');
	for (int i = 0; i < n; i++) {
		if (w[i] && !b[i]) ans[i] = '_';
		if (!w[i] && b[i]) ans[i] = 'X';
	}
    return ans;
}

Compilation message (stderr)

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