oj.uz

답안 #920304

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
920304 2024-02-02T12:34:35 Z vjudge1 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 51 ms 29528 KB 
#include <bits/stdc++.h>
using namespace std;
const int inf = 1e9 + 7;
const int N = 405;
int pre[N][3];
inline void ckmin(int &x , int y){
	x = min(x,y);
}
int eval(int tar , int c0 , int c1 , int c2){
	if(tar == 0)return 0;
	int temptar = tar;
	tar -= min(c0 , pre[temptar-1][0]);
	tar -= min(c1 , pre[temptar-1][1]);
	tar -= min(c2 , pre[temptar-1][2]);
	return tar;
}
void solve(){
	int n;
	cin >> n;
	string str;
	cin >> str;
	vector < int > ind[3];
	for(int i = 0;i<n;i++){
		if(str[i] == 'R'){
			ind[0].push_back(i);
			pre[i][0] = 1;
		}
		else if(str[i] == 'G'){
			ind[1].push_back(i);
			pre[i][1] = 1;
		}
		else if(str[i] == 'Y'){
			ind[2].push_back(i);
			pre[i][2] = 1;
		}
		else assert(false);
	}
	for(int i = 0;i<3;i++){
		for(int j = 1;j<n;j++){
			pre[j][i] += pre[j-1][i];
		}
	}
	int dp[ind[0].size()+2][ind[1].size()+2][ind[2].size()+2][3];
	for(int i = 0;i<=ind[0].size();i++){
		for(int j = 0;j<=ind[1].size();j++){
			for(int k = 0;k<=ind[2].size();k++){
				dp[i][j][k][0] = dp[i][j][k][1] = dp[i][j][k][2] = inf;
			}
		}
	}
	dp[0][0][0][0] = 0;
	dp[0][0][0][1] = 0;
	dp[0][0][0][2] = 0;
	for(int cnt0 = 0;cnt0 <= (int)ind[0].size();cnt0++){
		for(int cnt1 = 0;cnt1 <= (int)ind[1].size();cnt1++){
			for(int cnt2 = 0;cnt2 <= (int)ind[2].size();cnt2++){
				if(cnt0 != (int)ind[0].size()){
					ckmin(dp[cnt0+1][cnt1][cnt2][0] , dp[cnt0][cnt1][cnt2][1] + eval(ind[0][cnt0] , cnt0,cnt1,cnt2));
					ckmin(dp[cnt0+1][cnt1][cnt2][0] , dp[cnt0][cnt1][cnt2][2] + eval(ind[0][cnt0] , cnt0,cnt1,cnt2));
				}
				if(cnt1 != (int)ind[1].size()){
					ckmin(dp[cnt0][cnt1+1][cnt2][1] , dp[cnt0][cnt1][cnt2][0] + eval(ind[1][cnt1] , cnt0,cnt1,cnt2));
					ckmin(dp[cnt0][cnt1+1][cnt2][1] , dp[cnt0][cnt1][cnt2][2] + eval(ind[1][cnt1] , cnt0,cnt1,cnt2));
				}
				if(cnt2 != (int)ind[2].size()){
					ckmin(dp[cnt0][cnt1][cnt2+1][2] , dp[cnt0][cnt1][cnt2][0] + eval(ind[2][cnt2] , cnt0,cnt1,cnt2));
					ckmin(dp[cnt0][cnt1][cnt2+1][2] , dp[cnt0][cnt1][cnt2][1] + eval(ind[2][cnt2] , cnt0,cnt1,cnt2));
				}
			}
		}
	}
	int ans = inf;
	for(int i = 0;i<3;i++){
		ans = min(ans , dp[ind[0].size()][ind[1].size()][ind[2].size()][i]);
	}
	cout << (ans == inf ? -1 : ans) << endl;
}
signed main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	int testcase = 1;//cin >> testcase;
	while(testcase--)solve();
}

Compilation message

joi2019_ho_t3.cpp: In function 'void solve()':
joi2019_ho_t3.cpp:44:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |  for(int i = 0;i<=ind[0].size();i++){
      |                ~^~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:45:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |   for(int j = 0;j<=ind[1].size();j++){
      |                 ~^~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:46:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |    for(int k = 0;k<=ind[2].size();k++){
      |                  ~^~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 544 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 544 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 800 KB Output is correct
34 Correct 1 ms 600 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 0 ms 344 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 2 ms 1368 KB Output is correct
3 Correct 1 ms 1372 KB Output is correct
4 Correct 2 ms 1368 KB Output is correct
5 Correct 2 ms 1368 KB Output is correct
6 Correct 1 ms 1368 KB Output is correct
7 Correct 1 ms 1372 KB Output is correct
8 Correct 2 ms 1368 KB Output is correct
9 Correct 2 ms 1624 KB Output is correct
10 Correct 1 ms 1368 KB Output is correct
11 Correct 1 ms 1368 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 856 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1372 KB Output is correct
16 Correct 1 ms 1372 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 544 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 800 KB Output is correct
34 Correct 1 ms 600 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 2 ms 1368 KB Output is correct
44 Correct 1 ms 1372 KB Output is correct
45 Correct 2 ms 1368 KB Output is correct
46 Correct 2 ms 1368 KB Output is correct
47 Correct 1 ms 1368 KB Output is correct
48 Correct 1 ms 1372 KB Output is correct
49 Correct 2 ms 1368 KB Output is correct
50 Correct 2 ms 1624 KB Output is correct
51 Correct 1 ms 1368 KB Output is correct
52 Correct 1 ms 1368 KB Output is correct
53 Correct 1 ms 604 KB Output is correct
54 Correct 1 ms 856 KB Output is correct
55 Correct 1 ms 1116 KB Output is correct
56 Correct 1 ms 1372 KB Output is correct
57 Correct 1 ms 1372 KB Output is correct
58 Correct 47 ms 29016 KB Output is correct
59 Correct 49 ms 29216 KB Output is correct
60 Correct 47 ms 29016 KB Output is correct
61 Correct 46 ms 29272 KB Output is correct
62 Correct 4 ms 3160 KB Output is correct
63 Correct 7 ms 4952 KB Output is correct
64 Correct 24 ms 14680 KB Output is correct
65 Correct 35 ms 20888 KB Output is correct
66 Correct 47 ms 28764 KB Output is correct
67 Correct 47 ms 28760 KB Output is correct
68 Correct 48 ms 29272 KB Output is correct
69 Correct 49 ms 29528 KB Output is correct
70 Correct 46 ms 29528 KB Output is correct
71 Correct 51 ms 28760 KB Output is correct
72 Correct 12 ms 7768 KB Output is correct
73 Correct 3 ms 2648 KB Output is correct