Submission #853358

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
853358	2023-09-24 08:36:16	hngwlog	Paint By Numbers (IOI16_paint)	C++14	100 / 100	320 ms	61836 KiB

paint

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#include <bits/stdc++.h>
#include "paint.h"
using namespace std;
#define fi first
#define se second
#define _size(x) (int)x.size()
#define BIT(i, x) ((x >> i) & 1)
#define MASK(n) ((1 << n) - 1)
#define REP(i, n) for (int i = 0, _n = (n); i < _n; i++)
#define FOR(i, a, b) for (int i = a, _b = (b); i <= _b; i++)
#define FORD(i, a, b) for (int i = a, _b = (b); i >= _b; i--)
#define FORB1(i, mask) for (int i = mask; i > 0; i ^= i & - i)
#define FORB0(i, n, mask) for (int i = ((1 << n) - 1) ^ mask; i > 0; i ^= i & - i)
#define FORALL(i, a) for (auto i: a)
#define fastio ios_base::sync_with_stdio(0); cin.tie(0);
string solve_puzzle(string s, vector<int> c) {
    int n = _size(s), k = _size(c);
    s = ' ' + s;
    vector<vector<int>> cnt(n + 1, vector<int>(2));
    FOR(i, 1, n) {
        REP(type, 2) cnt[i][type] = cnt[i - 1][type];
        if (s[i] == 'X') cnt[i][0]++;
        else if (s[i] == '_') cnt[i][1]++;
    }
    vector<vector<short int>> f(n + 1, vector<short int>(k + 1));
    f[0][0] |= (1 << 1);
    FOR(i, 1, n) {
 
 
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Compilation message (stderr)

paint.cpp: In function 'std::string solve_puzzle(std::string, std::vector<int>)':
paint.cpp:56:31: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   56 |                 if (!BIT(type + 2, f[i][j])) continue;
      |                          ~~~~~^~~
paint.cpp:8:26: note: in definition of macro 'BIT'
    8 | #define BIT(i, x) ((x >> i) & 1)
      |                          ^

• 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