답안 #498141

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
498141 2021-12-24T12:32:26 Z Nalrimet Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
85 ms 59316 KB
#include <bits/stdc++.h>
using namespace std;

#define int long long

const int inf = 1e9;
const int N = 405;

char a;
int n, r, g, y, rp[N], gp[N], yp[N], rpref[N], gpref[N], ypref[N];
vector<vector<vector<vector<int>>>> dp;

 main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);

	cin >> n;

	for(int i = 1; i <= n; ++i){
		cin >> a;
		rpref[i] += rpref[i - 1];
		gpref[i] += gpref[i - 1];
		ypref[i] += ypref[i - 1];
		if(a == 'R') {rp[++r] = i; rpref[i]++;}
		if(a == 'G') {gp[++g] = i; gpref[i]++;}
		if(a == 'Y') {yp[++y] = i; ypref[i]++;}
	}

	if(max({r, g, y}) > (n + 1) / 2){
		cout << -1;
		return 0;
	}

//    cout << r << ' ' << g << ' ' << y << '\n';

//	int dp[5][r + 5][g + 5][y + 5];
//
//	cout << "OK\n";
//	cout << sizeof(dp);

//	for(int i = 0; i <= 2; ++i){
//        for(int j = 0; j <= r; ++j){
//            for(int k = 0; k <= g; ++k){
//                for(int l = 0; l <= y; ++l){
//                    dp[i][j][k][l] = inf;
//                }
//            }
//        }
//	}

	dp.resize(3);
	for(auto& i : dp){
		i.resize(r + 1);
		for(auto& j : i){
			j.resize(g + 1);
			for(auto& k : j){
				k.resize(y + 1);
				for(int& x : k){
					x = inf;
				}
			}
		}
	}
//    cout << "OK\n";

//    memset(dp, sizeof(dp), inf);

//    cout << "OK\n";

	dp[0][0][0][0] = 0;
	dp[1][0][0][0] = 0;
	dp[2][0][0][0] = 0;

	int x;

    for(int i = 0; i <= r; ++i)
        for(int j = 0; j <= g; ++j)
            for(int k = 0; k <= y; ++k){
                if(i != 0){
					x = max(gpref[rp[i]] - j, 0ll) + max(ypref[rp[i]] - k, 0ll);
					dp[0][i][j][k] = min({dp[0][i][j][k], dp[1][i - 1][j][k] + x, dp[2][i - 1][j][k] + x});
				}
				if(j != 0){
					x = max(rpref[gp[j]] - i, 0ll) + max(ypref[gp[j]] - k, 0ll);
					dp[1][i][j][k] = min({dp[1][i][j][k], dp[0][i][j - 1][k] + x, dp[2][i][j - 1][k] + x});
				}
				if(k != 0){
					x = max(rpref[yp[k]] - i, 0ll) + max(gpref[yp[k]] - j, 0ll);
					dp[2][i][j][k] = min({dp[2][i][j][k], dp[0][i][j][k - 1] + x, dp[1][i][j][k - 1] + x});
				}
			}

	cout << min(dp[0][r][g][y], min(dp[1][r][g][y], dp[2][r][g][y]));

	return 0;

}

Compilation message

joi2019_ho_t3.cpp:13:2: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   13 |  main(){
      |  ^~~~
joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:77:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   77 |     for(int i = 0; i <= r; ++i)
      |     ^~~
joi2019_ho_t3.cpp:94:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   94 |  cout << min(dp[0][r][g][y], min(dp[1][r][g][y], dp[2][r][g][y]));
      |  ^~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 316 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 324 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 0 ms 312 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 316 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 324 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 0 ms 312 KB Output is correct
18 Correct 1 ms 588 KB Output is correct
19 Correct 1 ms 568 KB Output is correct
20 Correct 1 ms 588 KB Output is correct
21 Correct 1 ms 588 KB Output is correct
22 Correct 1 ms 460 KB Output is correct
23 Correct 1 ms 572 KB Output is correct
24 Correct 1 ms 460 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 332 KB Output is correct
27 Correct 1 ms 588 KB Output is correct
28 Correct 1 ms 588 KB Output is correct
29 Correct 1 ms 588 KB Output is correct
30 Correct 1 ms 568 KB Output is correct
31 Correct 1 ms 568 KB Output is correct
32 Correct 1 ms 588 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 1 ms 572 KB Output is correct
36 Correct 1 ms 460 KB Output is correct
37 Correct 1 ms 460 KB Output is correct
38 Correct 1 ms 460 KB Output is correct
39 Correct 1 ms 588 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 1 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 10 ms 6988 KB Output is correct
3 Correct 8 ms 6828 KB Output is correct
4 Correct 8 ms 6988 KB Output is correct
5 Correct 8 ms 6988 KB Output is correct
6 Correct 8 ms 6988 KB Output is correct
7 Correct 8 ms 6860 KB Output is correct
8 Correct 10 ms 6860 KB Output is correct
9 Correct 8 ms 6860 KB Output is correct
10 Correct 8 ms 6976 KB Output is correct
11 Correct 8 ms 6988 KB Output is correct
12 Correct 2 ms 1996 KB Output is correct
13 Correct 4 ms 3388 KB Output is correct
14 Correct 7 ms 4788 KB Output is correct
15 Correct 1 ms 292 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 316 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 324 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 0 ms 312 KB Output is correct
18 Correct 1 ms 588 KB Output is correct
19 Correct 1 ms 568 KB Output is correct
20 Correct 1 ms 588 KB Output is correct
21 Correct 1 ms 588 KB Output is correct
22 Correct 1 ms 460 KB Output is correct
23 Correct 1 ms 572 KB Output is correct
24 Correct 1 ms 460 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 332 KB Output is correct
27 Correct 1 ms 588 KB Output is correct
28 Correct 1 ms 588 KB Output is correct
29 Correct 1 ms 588 KB Output is correct
30 Correct 1 ms 568 KB Output is correct
31 Correct 1 ms 568 KB Output is correct
32 Correct 1 ms 588 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 1 ms 572 KB Output is correct
36 Correct 1 ms 460 KB Output is correct
37 Correct 1 ms 460 KB Output is correct
38 Correct 1 ms 460 KB Output is correct
39 Correct 1 ms 588 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 1 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 10 ms 6988 KB Output is correct
44 Correct 8 ms 6828 KB Output is correct
45 Correct 8 ms 6988 KB Output is correct
46 Correct 8 ms 6988 KB Output is correct
47 Correct 8 ms 6988 KB Output is correct
48 Correct 8 ms 6860 KB Output is correct
49 Correct 10 ms 6860 KB Output is correct
50 Correct 8 ms 6860 KB Output is correct
51 Correct 8 ms 6976 KB Output is correct
52 Correct 8 ms 6988 KB Output is correct
53 Correct 2 ms 1996 KB Output is correct
54 Correct 4 ms 3388 KB Output is correct
55 Correct 7 ms 4788 KB Output is correct
56 Correct 1 ms 292 KB Output is correct
57 Correct 0 ms 332 KB Output is correct
58 Correct 69 ms 58036 KB Output is correct
59 Correct 74 ms 58464 KB Output is correct
60 Correct 75 ms 58360 KB Output is correct
61 Correct 85 ms 58820 KB Output is correct
62 Correct 1 ms 204 KB Output is correct
63 Correct 17 ms 12096 KB Output is correct
64 Correct 40 ms 31272 KB Output is correct
65 Correct 56 ms 43824 KB Output is correct
66 Correct 71 ms 58068 KB Output is correct
67 Correct 85 ms 57520 KB Output is correct
68 Correct 73 ms 58948 KB Output is correct
69 Correct 82 ms 59316 KB Output is correct
70 Correct 79 ms 58752 KB Output is correct
71 Correct 72 ms 57284 KB Output is correct
72 Correct 1 ms 332 KB Output is correct
73 Correct 1 ms 332 KB Output is correct