Submission #2134894


Source Code Expand

#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#define all(x) (x).begin(),(x).end()
#pragma GCC optimize ("-O3")
using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }
typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }
//---------------------------------------------------------------------------------------------------
/*---------------------------------------------------------------------------------------------------
            ∧_∧  
      ∧_∧  (´<_` )  Welcome to My Coding Space!
     ( ´_ゝ`) /  ⌒i     
    /   \     | |     
    /   / ̄ ̄ ̄ ̄/  |  
  __(__ニつ/     _/ .| .|____  
     \/____/ (u ⊃  
---------------------------------------------------------------------------------------------------*/





// thanks for pasta
// https://agc021.contest.atcoder.jp/submissions/2133151



int H, W, yoko, tate;
string ans[2020];
//---------------------------------------------------------------------------------------------------
void yokooki(int y, int x) {
    if (yoko and ans[y][x] == '.' and ans[y][x + 1] == '.') {
        ans[y][x] = '<';
        ans[y][x + 1] = '>';
        yoko--;
    }
}
void tateoki(int y, int x) {
    if (tate and ans[y][x] == '.' and ans[y + 1][x] == '.') {
        ans[y][x] = '^';
        ans[y + 1][x] = 'v';
        tate--;
    }
}
//---------------------------------------------------------------------------------------------------
void _main() {
    cin >> H >> W >> yoko >> tate;
    rep(y, 0, H) rep(x, 0, W) ans[y] += ".";

    if (H % 2 == 1) {
        // y=0の上一列に「<>」を敷き詰める
        rep(x, 0, W / 2) yokooki(0, (W % 2) + x * 2);
    }

    if (W % 2 == 1) {
        // x=0の縦一列に「^v」を敷き詰める
        rep(y, 0, H / 2) tateoki((H % 2) + y * 2, 0);
    }

    if (2 < H and 2 < W and H % 2 == 1 and W % 2 == 1 and yoko % 2 == 1 and tate % 2 == 1) {
        // 左上を3*3をうまく配置する
        rep(x, 0, 3) rep(y, 0, 3) ans[y][x] = '.';
        yoko++; tate++;

        yokooki(0, 0);
        yokooki(2, 1);
        tateoki(0, 2);
        tateoki(1, 0);
    }

    //printf("<> = %d ^v = %d \n", yoko, tate);  rep(y, 0, H) printf("%s\n", ans[y].c_str());

    // 残りの部分は貪欲に縦縦か横横で2*2を埋めていく
    rep(x, 0, W / 2) rep(y, 0, H / 2) {
        if (yoko) {
            yokooki(y * 2 + (H % 2), x * 2 + (W % 2));
            yokooki(y * 2 + (H % 2) + 1, x * 2 + (W % 2));
        }
        else if (tate) {
            tateoki(y * 2 + (H % 2), x * 2 + (W % 2));
            tateoki(y * 2 + (H % 2), x * 2 + (W % 2) + 1);
        }
    }
    
    if (yoko or tate) printf("NO\n");
    else {
        printf("YES\n");
        rep(y, 0, H) printf("%s\n", ans[y].c_str());
    }
}

Submission Info

Submission Time
Task C - Tiling
User hamayanhamayan
Language C++14 (GCC 5.4.1)
Score 900
Code Size 3316 Byte
Status AC
Exec Time 14 ms
Memory 2304 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 900 / 900
Status
AC × 3
AC × 102
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, 51.txt, 52.txt, 53.txt, 54.txt, 55.txt, 56.txt, 57.txt, 58.txt, 59.txt, 60.txt, 61.txt, 62.txt, 63.txt, 64.txt, 65.txt, 66.txt, 67.txt, 68.txt, 69.txt, 70.txt, 71.txt, 72.txt, 73.txt, 74.txt, 75.txt, 76.txt, 77.txt, 78.txt, 79.txt, 80.txt, 81.txt, 82.txt, 83.txt, 84.txt, 85.txt, 86.txt, 87.txt, 88.txt, 89.txt, 90.txt, 91.txt, 92.txt, 93.txt, 94.txt, 95.txt, 96.txt, 97.txt, 98.txt, 99.txt, s1.txt, s2.txt, s3.txt
Case Name Status Exec Time Memory
01.txt AC 2 ms 384 KB
02.txt AC 8 ms 1280 KB
03.txt AC 2 ms 384 KB
04.txt AC 2 ms 384 KB
05.txt AC 2 ms 384 KB
06.txt AC 1 ms 384 KB
07.txt AC 2 ms 512 KB
08.txt AC 2 ms 384 KB
09.txt AC 3 ms 512 KB
10.txt AC 1 ms 256 KB
11.txt AC 5 ms 768 KB
12.txt AC 8 ms 1152 KB
13.txt AC 1 ms 256 KB
14.txt AC 5 ms 640 KB
15.txt AC 6 ms 1152 KB
16.txt AC 3 ms 640 KB
17.txt AC 1 ms 384 KB
18.txt AC 2 ms 512 KB
19.txt AC 5 ms 640 KB
20.txt AC 1 ms 256 KB
21.txt AC 4 ms 652 KB
22.txt AC 9 ms 1024 KB
23.txt AC 8 ms 1664 KB
24.txt AC 5 ms 1024 KB
25.txt AC 4 ms 768 KB
26.txt AC 4 ms 640 KB
27.txt AC 2 ms 384 KB
28.txt AC 6 ms 1024 KB
29.txt AC 4 ms 768 KB
30.txt AC 1 ms 256 KB
31.txt AC 4 ms 512 KB
32.txt AC 1 ms 256 KB
33.txt AC 10 ms 2176 KB
34.txt AC 2 ms 512 KB
35.txt AC 5 ms 640 KB
36.txt AC 2 ms 384 KB
37.txt AC 2 ms 384 KB
38.txt AC 4 ms 512 KB
39.txt AC 4 ms 512 KB
40.txt AC 3 ms 768 KB
41.txt AC 5 ms 1024 KB
42.txt AC 2 ms 512 KB
43.txt AC 2 ms 384 KB
44.txt AC 3 ms 640 KB
45.txt AC 6 ms 1280 KB
46.txt AC 3 ms 512 KB
47.txt AC 2 ms 512 KB
48.txt AC 4 ms 640 KB
49.txt AC 6 ms 1280 KB
50.txt AC 4 ms 896 KB
51.txt AC 4 ms 768 KB
52.txt AC 1 ms 256 KB
53.txt AC 11 ms 1920 KB
54.txt AC 8 ms 1664 KB
55.txt AC 10 ms 1920 KB
56.txt AC 5 ms 640 KB
57.txt AC 3 ms 640 KB
58.txt AC 3 ms 768 KB
59.txt AC 1 ms 256 KB
60.txt AC 2 ms 384 KB
61.txt AC 2 ms 512 KB
62.txt AC 3 ms 640 KB
63.txt AC 8 ms 1664 KB
64.txt AC 3 ms 640 KB
65.txt AC 1 ms 256 KB
66.txt AC 12 ms 1280 KB
67.txt AC 13 ms 2304 KB
68.txt AC 14 ms 2304 KB
69.txt AC 13 ms 2304 KB
70.txt AC 1 ms 256 KB
71.txt AC 1 ms 256 KB
72.txt AC 1 ms 256 KB
73.txt AC 1 ms 256 KB
74.txt AC 1 ms 256 KB
75.txt AC 1 ms 256 KB
76.txt AC 1 ms 256 KB
77.txt AC 1 ms 256 KB
78.txt AC 10 ms 2304 KB
79.txt AC 1 ms 256 KB
80.txt AC 1 ms 256 KB
81.txt AC 1 ms 256 KB
82.txt AC 1 ms 256 KB
83.txt AC 1 ms 384 KB
84.txt AC 1 ms 384 KB
85.txt AC 13 ms 1280 KB
86.txt AC 1 ms 256 KB
87.txt AC 1 ms 256 KB
88.txt AC 1 ms 256 KB
89.txt AC 1 ms 256 KB
90.txt AC 1 ms 256 KB
91.txt AC 1 ms 256 KB
92.txt AC 1 ms 256 KB
93.txt AC 1 ms 256 KB
94.txt AC 1 ms 256 KB
95.txt AC 1 ms 256 KB
96.txt AC 1 ms 256 KB
97.txt AC 1 ms 256 KB
98.txt AC 1 ms 256 KB
99.txt AC 1 ms 256 KB
s1.txt AC 1 ms 256 KB
s2.txt AC 1 ms 256 KB
s3.txt AC 1 ms 256 KB