oj.uz

답안 #136916

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
136916 2019-07-26T14:08:59 Z SirCeness Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 255 ms 163068 KB 
#include <bits/stdc++.h>

using namespace std;
#define mod 1000000007
#define mp make_pair
#define pb push_back
#define bas(x) #x << ": " << x << " "
#define prarr(x, n) cout << #x << ": "; for (int qsd = 0; qsd < n; qsd++) cout << x[qsd] << " "; cout << endl;
#define prarrv(x) cout << #x << ": "; for (int qsd = 0; qsd < (int)x.size(); qsd++) cout << x[qsd] << " "; cout << endl;
#define ppair(x) "(" << x.first << ", " << x.second << ")"
#define inside sl<=l&&r<=sr
#define outside sr<l||r<sl

typedef long long ll;

string s;

int dist(string str){
	string ana = s;
	ll ans = 0;
	int say = 0;
	for (int i = str.size()-1; i >= 0; i--){
		for (int j = ana.size()-1; j >= 0; j--){
			if (ana[j] == str[i]){
				ana[j] = 'x';
				say++;
				break;
			} else if (ana[j] != 'x') ans++;
		}
	}
	if (say != str.size()) return 1000000000;
	return ans;
}

int dp[404][404][404][4];	
vector<int> rler, gler, yler;
int sufsumg[404];
int sufsumy[404];
int sufsumr[404];

int f(int r, int g, int y, int last){
	//cout << "f(" << r << ", "  << g << ", " << y << ", " << last << ")" << endl;
	if (dp[r][g][y][last] != -1) return dp[r][g][y][last];
	int minn = 400*400+2;
	if ((r > 0) && (last != 0)){
		int ret = f(r-1, g, y, 0);
		int ind = rler[rler.size()-r];
		ret += max(sufsumr[ind]-1, r-1) + max(sufsumg[ind], g) + max(sufsumy[ind], y) - (g+y+r-1);
		minn = min(minn, ret);
	} 
	if (g > 0 && last != 1){
		int ret = f(r, g-1, y, 1);
		int ind = gler[gler.size()-g];
		ret += max(sufsumr[ind], r) + max(sufsumg[ind]-1, g-1) + max(sufsumy[ind], y) - (g+y+r-1);
		minn = min(minn, ret);
	} 
	if (y > 0 && last != 2){
		int ret = f(r, g, y-1, 2);
		int ind = yler[yler.size()-y];
		ret += max(sufsumr[ind], r) + max(sufsumg[ind], g) + max(sufsumy[ind]-1, y-1) - (g+y+r-1);
		minn = min(minn, ret);
	}
	if (g == 0 && r == 0 && y == 0){
		return dp[r][g][y][last] = 0;
	} 
	return dp[r][g][y][last] = minn;
}

int main(){
	//freopen("in", "r", stdin);
	//freopen("out", "w", stdout);
	
	clock_t start = clock();

	int n;
	cin >> n;
	cin >> s;
	n = s.size();

	int r = 0, g = 0, y = 0;
	for (int i = 0; i < n; i++){
		r += s[i] == 'R';
		g += s[i] == 'G';
		y += s[i] == 'Y';
		if (s[i] == 'R') rler.pb(i);
		else if (s[i] == 'G') gler.pb(i);
		else yler.pb(i);
	}

	for (int i1 = 0; i1 <= r; i1++)
		for (int i2 = 0; i2 <= g; i2++)
			for (int i3 = 0; i3 <= y; i3++)
				for (int i4 = 0; i4 < 4; i4++)
					dp[i1][i2][i3][i4] = -1;

	int sufr = 0, sufg = 0, sufy = 0;
	for (int i = n-1; i >= 0; i--){
		if (s[i] == 'R') sufr++;
		if (s[i] == 'G') sufg++;
		if (s[i] == 'Y') sufy++;
		sufsumr[i] = sufr;
		sufsumg[i] = sufg;
		sufsumy[i] = sufy;	  
	}

	//cout << f(1, 0, 0, 1) << endl;
	int ans = f(r, g, y, 3);
	//int ans = 0;
	if (ans >= 400*400+2) cout << -1 << endl;
	else cout << ans << endl;
	//cout << "bitti" << endl;

	//cout << 1000.0*(clock()-start)/(double)CLOCKS_PER_SEC << "ms" << endl;

}

Compilation message

joi2019_ho_t3.cpp: In function 'int dist(std::__cxx11::string)':
joi2019_ho_t3.cpp:31:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if (say != str.size()) return 1000000000;
      ~~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:73:10: warning: unused variable 'start' [-Wunused-variable]
  clock_t start = clock();
          ^~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 2 ms 376 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 4 ms 2424 KB Output is correct
19 Correct 3 ms 2012 KB Output is correct
20 Correct 4 ms 2296 KB Output is correct
21 Correct 3 ms 2424 KB Output is correct
22 Correct 3 ms 1784 KB Output is correct
23 Correct 4 ms 2168 KB Output is correct
24 Correct 3 ms 1656 KB Output is correct
25 Correct 5 ms 3960 KB Output is correct
26 Correct 11 ms 4216 KB Output is correct
27 Correct 4 ms 3064 KB Output is correct
28 Correct 5 ms 2424 KB Output is correct
29 Correct 4 ms 2296 KB Output is correct
30 Correct 4 ms 2300 KB Output is correct
31 Correct 3 ms 2040 KB Output is correct
32 Correct 4 ms 2484 KB Output is correct
33 Correct 5 ms 3832 KB Output is correct
34 Correct 4 ms 3576 KB Output is correct
35 Correct 4 ms 2808 KB Output is correct
36 Correct 3 ms 2040 KB Output is correct
37 Correct 3 ms 1784 KB Output is correct
38 Correct 4 ms 2168 KB Output is correct
39 Correct 4 ms 2424 KB Output is correct
40 Correct 2 ms 504 KB Output is correct
41 Correct 3 ms 2300 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 125 ms 162924 KB Output is correct
3 Correct 123 ms 162296 KB Output is correct
4 Correct 185 ms 162936 KB Output is correct
5 Correct 157 ms 162936 KB Output is correct
6 Correct 122 ms 162912 KB Output is correct
7 Correct 125 ms 162168 KB Output is correct
8 Correct 124 ms 162220 KB Output is correct
9 Correct 124 ms 161276 KB Output is correct
10 Correct 125 ms 162936 KB Output is correct
11 Correct 125 ms 163068 KB Output is correct
12 Correct 35 ms 44280 KB Output is correct
13 Correct 60 ms 77176 KB Output is correct
14 Correct 87 ms 111460 KB Output is correct
15 Correct 126 ms 162940 KB Output is correct
16 Correct 126 ms 162944 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 4 ms 2424 KB Output is correct
19 Correct 3 ms 2012 KB Output is correct
20 Correct 4 ms 2296 KB Output is correct
21 Correct 3 ms 2424 KB Output is correct
22 Correct 3 ms 1784 KB Output is correct
23 Correct 4 ms 2168 KB Output is correct
24 Correct 3 ms 1656 KB Output is correct
25 Correct 5 ms 3960 KB Output is correct
26 Correct 11 ms 4216 KB Output is correct
27 Correct 4 ms 3064 KB Output is correct
28 Correct 5 ms 2424 KB Output is correct
29 Correct 4 ms 2296 KB Output is correct
30 Correct 4 ms 2300 KB Output is correct
31 Correct 3 ms 2040 KB Output is correct
32 Correct 4 ms 2484 KB Output is correct
33 Correct 5 ms 3832 KB Output is correct
34 Correct 4 ms 3576 KB Output is correct
35 Correct 4 ms 2808 KB Output is correct
36 Correct 3 ms 2040 KB Output is correct
37 Correct 3 ms 1784 KB Output is correct
38 Correct 4 ms 2168 KB Output is correct
39 Correct 4 ms 2424 KB Output is correct
40 Correct 2 ms 504 KB Output is correct
41 Correct 3 ms 2300 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 125 ms 162924 KB Output is correct
44 Correct 123 ms 162296 KB Output is correct
45 Correct 185 ms 162936 KB Output is correct
46 Correct 157 ms 162936 KB Output is correct
47 Correct 122 ms 162912 KB Output is correct
48 Correct 125 ms 162168 KB Output is correct
49 Correct 124 ms 162220 KB Output is correct
50 Correct 124 ms 161276 KB Output is correct
51 Correct 125 ms 162936 KB Output is correct
52 Correct 125 ms 163068 KB Output is correct
53 Correct 35 ms 44280 KB Output is correct
54 Correct 60 ms 77176 KB Output is correct
55 Correct 87 ms 111460 KB Output is correct
56 Correct 126 ms 162940 KB Output is correct
57 Correct 126 ms 162944 KB Output is correct
58 Correct 215 ms 101240 KB Output is correct
59 Correct 230 ms 119544 KB Output is correct
60 Correct 231 ms 110968 KB Output is correct
61 Correct 255 ms 109580 KB Output is correct
62 Correct 151 ms 161272 KB Output is correct
63 Correct 165 ms 161556 KB Output is correct
64 Correct 153 ms 155896 KB Output is correct
65 Correct 163 ms 144760 KB Output is correct
66 Correct 222 ms 109816 KB Output is correct
67 Correct 218 ms 106872 KB Output is correct
68 Correct 226 ms 111992 KB Output is correct
69 Correct 226 ms 110200 KB Output is correct
70 Correct 231 ms 115676 KB Output is correct
71 Correct 216 ms 108280 KB Output is correct
72 Correct 42 ms 45052 KB Output is correct
73 Correct 5 ms 3832 KB Output is correct