oj.uz

답안 #1113612

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1113612 2024-11-16T19:51:29 Z Dan4Life Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 363 ms 382024 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define pb push_back
#define all(a) begin(a),end(a)
 
const int N = (int)4e2+2;
const int INF = (int)1e9;
 
vector<int> v[3];
int dp[N][3][N/2][N];
int n, cnt[3], chk[3][3][N];

int num(int cnt0, int cnt1, int cnt2, int f0, int f1, int f2){
	return max(0,cnt1-chk[f0][f1][cnt0])+max(0,cnt2-chk[f0][f2][cnt0]);
}
 
void swp(int i, int j){ swap(cnt[i],cnt[j]); swap(v[i],v[j]); }

int main(){
	ios_base::sync_with_stdio(false); cin.tie(0);
	string s; cin >> n >> s;
	for(int i = 0; i < n; i++){
		char u = s[i];
		if(u=='R') s[i]=0;
		else if(u=='G') s[i]=1;
		else s[i]=2;
		cnt[s[i]]++; v[s[i]].pb(i+1);
	}
	if(cnt[0]>cnt[1])swp(0,1);
	if(cnt[1]>cnt[2])swp(1,2);
	if(cnt[0]>cnt[1])swp(0,1);
	memset(dp,0x3f3f3f3f,sizeof(dp));
	for(int i : {0,1,2}) dp[0][i][0][0]=0;
	for(int f0 = 0; f0 < 3; f0++)
		for(int f1 = 0; f1 < 3; f1++)
			for(int cnt0 = 1; cnt0 <= cnt[f0] and f0!=f1; cnt0++)
				chk[f0][f1][cnt0] = lower_bound(all(v[f1]),v[f0][cnt0-1])-begin(v[f1]);
	int ans = INF;
	for(int i = 1; i <= n; i++){
		for(int j = 0; j < 3; j++){
			for(int m = 0; m < 3; m++){
				for(int k = 0; k <= min(i,cnt[0]) and m!=j; k++){
					for(int l = 0; l <= min(i,cnt[1]); l++){
						int o = i-k-l; if(o>i or o>cnt[2]) continue;
						if(k and j==0){
							int f0 = v[0][k-1]+num(k,l,o,0,1,2);
							if(f0>=i) dp[i][j][k][l] = min(dp[i][j][k][l], dp[i-1][m][k-1][l]+f0-i);
						}
						if(l and j==1){
							int f1 = v[1][l-1]+num(l,k,o,1,0,2);
							if(f1>=i) dp[i][j][k][l] = min(dp[i][j][k][l], dp[i-1][m][k][l-1]+f1-i);
						}
						if(o and j==2){
							int f2 = v[2][o-1]+num(o,k,l,2,0,1);
							if(f2>=i) dp[i][j][k][l] = min(dp[i][j][k][l], dp[i-1][m][k][l]+f2-i);
						}
					}
				}
			}
		}
	}
	for(int j = 0; j < 3; j++)
		for(int k = 0; k <= cnt[0]; k++)
			for(int l = 0; l <= cnt[1]; l++)
				ans = min(ans, dp[n][j][k][l]);
	if(ans>=INF) ans=-1;
	cout << ans << "\n";
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:28:11: warning: array subscript has type 'char' [-Wchar-subscripts]
   28 |   cnt[s[i]]++; v[s[i]].pb(i+1);
      |           ^
joi2019_ho_t3.cpp:28:22: warning: array subscript has type 'char' [-Wchar-subscripts]
   28 |   cnt[s[i]]++; v[s[i]].pb(i+1);
      |                      ^

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 277 ms 381768 KB Output is correct
2 Correct 260 ms 381772 KB Output is correct
3 Correct 264 ms 381768 KB Output is correct
4 Correct 267 ms 381904 KB Output is correct
5 Correct 274 ms 381768 KB Output is correct
6 Correct 266 ms 381768 KB Output is correct
7 Correct 255 ms 381768 KB Output is correct
8 Correct 261 ms 381804 KB Output is correct
9 Correct 265 ms 381768 KB Output is correct
10 Correct 264 ms 381768 KB Output is correct
11 Correct 266 ms 381768 KB Output is correct
12 Correct 258 ms 381768 KB Output is correct
13 Correct 272 ms 381596 KB Output is correct
14 Correct 262 ms 381768 KB Output is correct
15 Correct 262 ms 381624 KB Output is correct
16 Correct 250 ms 381768 KB Output is correct
17 Correct 258 ms 381768 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 277 ms 381768 KB Output is correct
2 Correct 260 ms 381772 KB Output is correct
3 Correct 264 ms 381768 KB Output is correct
4 Correct 267 ms 381904 KB Output is correct
5 Correct 274 ms 381768 KB Output is correct
6 Correct 266 ms 381768 KB Output is correct
7 Correct 255 ms 381768 KB Output is correct
8 Correct 261 ms 381804 KB Output is correct
9 Correct 265 ms 381768 KB Output is correct
10 Correct 264 ms 381768 KB Output is correct
11 Correct 266 ms 381768 KB Output is correct
12 Correct 258 ms 381768 KB Output is correct
13 Correct 272 ms 381596 KB Output is correct
14 Correct 262 ms 381768 KB Output is correct
15 Correct 262 ms 381624 KB Output is correct
16 Correct 250 ms 381768 KB Output is correct
17 Correct 258 ms 381768 KB Output is correct
18 Correct 284 ms 381820 KB Output is correct
19 Correct 269 ms 381852 KB Output is correct
20 Correct 257 ms 381772 KB Output is correct
21 Correct 253 ms 381672 KB Output is correct
22 Correct 238 ms 381768 KB Output is correct
23 Correct 239 ms 381628 KB Output is correct
24 Correct 240 ms 381768 KB Output is correct
25 Correct 233 ms 381784 KB Output is correct
26 Correct 234 ms 381768 KB Output is correct
27 Correct 240 ms 381768 KB Output is correct
28 Correct 235 ms 381768 KB Output is correct
29 Correct 234 ms 381768 KB Output is correct
30 Correct 242 ms 381696 KB Output is correct
31 Correct 245 ms 381768 KB Output is correct
32 Correct 251 ms 381772 KB Output is correct
33 Correct 252 ms 381772 KB Output is correct
34 Correct 262 ms 381772 KB Output is correct
35 Correct 281 ms 381768 KB Output is correct
36 Correct 283 ms 381768 KB Output is correct
37 Correct 255 ms 381768 KB Output is correct
38 Correct 251 ms 381768 KB Output is correct
39 Correct 264 ms 381768 KB Output is correct
40 Correct 254 ms 381768 KB Output is correct
41 Correct 252 ms 381768 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 265 ms 381764 KB Output is correct
2 Correct 269 ms 381884 KB Output is correct
3 Correct 251 ms 381768 KB Output is correct
4 Correct 250 ms 381776 KB Output is correct
5 Correct 253 ms 381780 KB Output is correct
6 Correct 271 ms 381768 KB Output is correct
7 Correct 263 ms 382024 KB Output is correct
8 Correct 261 ms 381776 KB Output is correct
9 Correct 261 ms 381760 KB Output is correct
10 Correct 256 ms 381736 KB Output is correct
11 Correct 243 ms 381688 KB Output is correct
12 Correct 249 ms 381768 KB Output is correct
13 Correct 241 ms 381832 KB Output is correct
14 Correct 241 ms 381768 KB Output is correct
15 Correct 270 ms 381840 KB Output is correct
16 Correct 273 ms 381768 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 277 ms 381768 KB Output is correct
2 Correct 260 ms 381772 KB Output is correct
3 Correct 264 ms 381768 KB Output is correct
4 Correct 267 ms 381904 KB Output is correct
5 Correct 274 ms 381768 KB Output is correct
6 Correct 266 ms 381768 KB Output is correct
7 Correct 255 ms 381768 KB Output is correct
8 Correct 261 ms 381804 KB Output is correct
9 Correct 265 ms 381768 KB Output is correct
10 Correct 264 ms 381768 KB Output is correct
11 Correct 266 ms 381768 KB Output is correct
12 Correct 258 ms 381768 KB Output is correct
13 Correct 272 ms 381596 KB Output is correct
14 Correct 262 ms 381768 KB Output is correct
15 Correct 262 ms 381624 KB Output is correct
16 Correct 250 ms 381768 KB Output is correct
17 Correct 258 ms 381768 KB Output is correct
18 Correct 284 ms 381820 KB Output is correct
19 Correct 269 ms 381852 KB Output is correct
20 Correct 257 ms 381772 KB Output is correct
21 Correct 253 ms 381672 KB Output is correct
22 Correct 238 ms 381768 KB Output is correct
23 Correct 239 ms 381628 KB Output is correct
24 Correct 240 ms 381768 KB Output is correct
25 Correct 233 ms 381784 KB Output is correct
26 Correct 234 ms 381768 KB Output is correct
27 Correct 240 ms 381768 KB Output is correct
28 Correct 235 ms 381768 KB Output is correct
29 Correct 234 ms 381768 KB Output is correct
30 Correct 242 ms 381696 KB Output is correct
31 Correct 245 ms 381768 KB Output is correct
32 Correct 251 ms 381772 KB Output is correct
33 Correct 252 ms 381772 KB Output is correct
34 Correct 262 ms 381772 KB Output is correct
35 Correct 281 ms 381768 KB Output is correct
36 Correct 283 ms 381768 KB Output is correct
37 Correct 255 ms 381768 KB Output is correct
38 Correct 251 ms 381768 KB Output is correct
39 Correct 264 ms 381768 KB Output is correct
40 Correct 254 ms 381768 KB Output is correct
41 Correct 252 ms 381768 KB Output is correct
42 Correct 265 ms 381764 KB Output is correct
43 Correct 269 ms 381884 KB Output is correct
44 Correct 251 ms 381768 KB Output is correct
45 Correct 250 ms 381776 KB Output is correct
46 Correct 253 ms 381780 KB Output is correct
47 Correct 271 ms 381768 KB Output is correct
48 Correct 263 ms 382024 KB Output is correct
49 Correct 261 ms 381776 KB Output is correct
50 Correct 261 ms 381760 KB Output is correct
51 Correct 256 ms 381736 KB Output is correct
52 Correct 243 ms 381688 KB Output is correct
53 Correct 249 ms 381768 KB Output is correct
54 Correct 241 ms 381832 KB Output is correct
55 Correct 241 ms 381768 KB Output is correct
56 Correct 270 ms 381840 KB Output is correct
57 Correct 273 ms 381768 KB Output is correct
58 Correct 357 ms 381824 KB Output is correct
59 Correct 352 ms 381768 KB Output is correct
60 Correct 334 ms 381768 KB Output is correct
61 Correct 342 ms 381772 KB Output is correct
62 Correct 312 ms 381768 KB Output is correct
63 Correct 276 ms 381768 KB Output is correct
64 Correct 293 ms 381768 KB Output is correct
65 Correct 308 ms 381756 KB Output is correct
66 Correct 361 ms 381704 KB Output is correct
67 Correct 359 ms 381768 KB Output is correct
68 Correct 356 ms 381768 KB Output is correct
69 Correct 333 ms 381700 KB Output is correct
70 Correct 363 ms 382024 KB Output is correct
71 Correct 336 ms 381656 KB Output is correct
72 Correct 278 ms 381772 KB Output is correct
73 Correct 278 ms 381804 KB Output is correct