oj.uz

Submission #1089470

# Submission time Handle Problem Language Result Execution time Memory
1089470 2024-09-16T15:01:46 Z vjudge1 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
75 / 100
 500 ms 176832 KB 
/**
 *    data : 09.07.2024  
 *     
**/
#include <bits/stdc++.h>
// #include "algo/turnikmen.h"

using namespace std;


#define int long long
#define bitt __builtin_popcountll
#define bitzero __builtin_clz

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
// #pragma GCC optimize("-funsafe-loop-optimizations") 
#pragma GCC optimize("-funroll-loops") 
// #pragma GCC optimize("-fwhole-program") 
#pragma GCC optimize("Ofast,no-stack-protector") 
#pragma GCC optimize("-fthread-jumps") 
#pragma GCC optimize("-falign-functions") 
#pragma GCC optimize("-falign-jumps") 
#pragma GCC optimize("-falign-loops") 
#pragma GCC optimize("-falign-labels") 
#pragma GCC optimize("-fcaller-saves") 
#pragma GCC optimize("-fcrossjumping") 
#pragma GCC optimize("-fcse-follow-jumps") 
// #pragma GCC optimize("-fcse-skip-blocks") 
#pragma GCC optimize("-fdelete-null-pointer-checks") 
#pragma GCC optimize("-fdevirtualize") 
#pragma GCC optimize("-fexpensive-optimizations") 
#pragma GCC optimize("-fgcse") 
#pragma GCC optimize("-fgcse-lm") 
#pragma GCC optimize("-fhoist-adjacent-loads") 
#pragma GCC optimize("-finline-small-functions") 
#pragma GCC optimize("-findirect-inlining") 
#pragma GCC optimize("-fipa-sra") 
#pragma GCC optimize("-foptimize-sibling-calls") 
#pragma GCC optimize("-fpartial-inlining") 
#pragma GCC optimize("-fpeephole2") 
#pragma GCC optimize("-freorder-blocks") 
#pragma GCC optimize("-freorder-functions") 
#pragma GCC optimize("-frerun-cse-after-loop") 
#pragma GCC optimize("-fsched-interblock") 
#pragma GCC optimize("-fsched-spec") 
#pragma GCC optimize("-fschedule-insns") 
#pragma GCC optimize("-fschedule-insns2") 
#pragma GCC optimize("-fstrict-aliasing") 
// #pragma GCC optimize("-fstrict-overflow") 
#pragma GCC optimize("-ftree-switch-conversion") 
#pragma GCC optimize("-ftree-tail-merge") 
#pragma GCC optimize("-ftree-pre") 
#pragma GCC optimize("-ftree-vrp") 
#pragma GCC target("avx")

void fReopen () {
        #ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
        #endif
}



signed main (/*  time : 9:17 AM   */) {
        ios_base::sync_with_stdio(false);
        cin.tie(nullptr);
        cout.tie(nullptr);
 
       // fReopen();
       
        int n; cin >> n;
        string s; cin >> s; s = '1' + s;
        map<char, vector<int>> g;
        map<pair<char, int>, int> pref;
        int R = 0, G = 1, Y = 2;
        int cntr, cntg, cnty;
        cntr = cntg = cnty = 0;
        for (int i = 1; i <= n; i++) {
                g[s[i]].push_back(i);
                pref[{'Y', i}] = pref[{'Y', i - 1}];
                pref[{'G', i}] = pref[{'G', i - 1}];
                pref[{'R', i}] = pref[{'R', i - 1}]; 
                pref[{s[i], i}] += 1;
                cntr += s[i] == 'R';
                cnty += s[i] == 'Y';
                cntg += s[i] == 'G';
        }
        int dp[n + 1][cntr + 1][cnty + 1][3] = { };

         for (int i = 1; i <= n; i++) {
                for (int a = 0; a <= cntr; a++) {
                        for (int b = 0; b <= cnty; b++) {
                                for (int j = 0; j < 3; j++)
                                dp[i][a][b][j] = 1e18;

                        }
                }
        }
        for (int i = 0; i < 3; i++) dp[0][0][0][i] = 0;

        for (int i = 1; i <= n; i++) {
                for (int a = 0; a <= cntr; a++) {
                        for (int b = 0; b <= cnty; b++) {
                                if (a + b > i) continue;
                                int c = i - a - b;
                                if (c > cntg) continue; 
                                for (int last = 0; last < 3; last++) {
                                        if (last != 0 && a) {
                                                int j = g['R'][a - 1];
                                                int adj = max(0ll, b - pref[{'Y', j}]) + max(0ll, c - pref[{'G', j}]);
                                                int val = max(0ll, j + adj - i);
                                                dp[i][a][b][0] = min(dp[i][a][b][0], dp[i - 1][a - 1][b][last] + val);
                                        }
                                        if (last != 1 && b) {
                                                int j = g['Y'][b - 1];
                                                int adj = max(0ll, a - pref[{'R', j}]) + max(0ll, c - pref[{'G', j}]);
                                                int val = max(0ll, j + adj - i);
                                                dp[i][a][b][1] = min(dp[i][a][b][1], dp[i - 1][a][b - 1][last] + val);
                                        }
                                        if (last != 2 && c) {
                                                int j = g['G'][c - 1];
                                                int adj = max(0ll, a - pref[{'R', j}]) + max(0ll, b - pref[{'Y', j}]);
                                                int val = max(0ll, j + adj - i);
                                                dp[i][a][b][2] = min(dp[i][a][b][2], dp[i - 1][a][b][last] + val);
                                        }
                                }
                                // if (a > 0) {
                                //         int pos = g['R'][a - 1];
                                //         int cnt = max(0LL, b - pref[{'Y', pos}]) + max(0LL, c - pref[{'G', pos}]);
                                //         dp[i][a][b][0] = min(dp[i][a][b][0], min(dp[i - 1][a - 1][b][1], dp[i - 1][a - 1][b][2]) + max(0LL, pos + cnt - i));
                                // }
                                // if (b > 0) {
                                //         int pos = g['Y'][b - 1];
                                //         int cnt = max(0LL, a - pref[{'R', pos}]) + max(0LL, c - pref[{'G', pos}]);
                                //         dp[i][a][b][1] = min(dp[i][a][b][1], min(dp[i - 1][a][b - 1][0], dp[i - 1][a][b - 1][2]) + max(0LL, pos + cnt - i));
                                // }
                                // if (c > 0) {
                                //         int pos = g['G'][c - 1];
                                //         int cnt = max(0LL, b - pref[{'Y', pos}]) + max(0LL, a - pref[{'R', pos}]);
                                //         dp[i][a][b][2] = min(dp[i][a][b][2], min(dp[i - 1][a][b][0], dp[i - 1][a][b][1]) + max(0LL, pos + cnt - i));
                                // }        

                        }
                }
        }
        //  for (int i = 1; i <= n; i++) {
        //         for (int a = 0; a <= cntr; a++) {
        //                 for (int b = 0; b <= cnty; b++) {
        //                         if (a + b > i) continue;
        //                         int c = i - a - b;
        //                         if (c > cntg) continue; 
        //                         cout << dp[i][]
        //                 }
        //         }
        // }
        int res = min({dp[n][cntr][cnty][0], dp[n][cntr][cnty][1], dp[n][cntr][cnty][2]});
        cout << (res == 1e18 ? -1 : res);
 
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:77:13: warning: unused variable 'R' [-Wunused-variable]
   77 |         int R = 0, G = 1, Y = 2;
      |             ^
joi2019_ho_t3.cpp:77:20: warning: unused variable 'G' [-Wunused-variable]
   77 |         int R = 0, G = 1, Y = 2;
      |                    ^
joi2019_ho_t3.cpp:77:27: warning: unused variable 'Y' [-Wunused-variable]
   77 |         int R = 0, G = 1, Y = 2;
      |                           ^
joi2019_ho_t3.cpp: In function 'void fReopen()':
joi2019_ho_t3.cpp:59:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   59 |         freopen("input.txt", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:60:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   60 |         freopen("output.txt", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 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 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 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 348 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 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 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 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 348 KB Output is correct
18 Correct 3 ms 1112 KB Output is correct
19 Correct 3 ms 1116 KB Output is correct
20 Correct 3 ms 1116 KB Output is correct
21 Correct 3 ms 860 KB Output is correct
22 Correct 2 ms 1372 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 3 ms 860 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 2 ms 896 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 3 ms 1116 KB Output is correct
30 Correct 2 ms 860 KB Output is correct
31 Correct 2 ms 988 KB Output is correct
32 Correct 2 ms 860 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 2 ms 932 KB Output is correct
36 Correct 3 ms 1116 KB Output is correct
37 Correct 2 ms 860 KB Output is correct
38 Correct 2 ms 860 KB Output is correct
39 Correct 3 ms 860 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 11 ms 2424 KB Output is correct
3 Correct 13 ms 2396 KB Output is correct
4 Correct 11 ms 2396 KB Output is correct
5 Correct 14 ms 2396 KB Output is correct
6 Correct 11 ms 2396 KB Output is correct
7 Correct 11 ms 2396 KB Output is correct
8 Correct 12 ms 2416 KB Output is correct
9 Correct 12 ms 2396 KB Output is correct
10 Correct 13 ms 2432 KB Output is correct
11 Correct 11 ms 2396 KB Output is correct
12 Correct 3 ms 860 KB Output is correct
13 Correct 5 ms 1400 KB Output is correct
14 Correct 8 ms 1628 KB Output is correct
15 Correct 11 ms 2416 KB Output is correct
16 Correct 11 ms 2396 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 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 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 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 348 KB Output is correct
18 Correct 3 ms 1112 KB Output is correct
19 Correct 3 ms 1116 KB Output is correct
20 Correct 3 ms 1116 KB Output is correct
21 Correct 3 ms 860 KB Output is correct
22 Correct 2 ms 1372 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 3 ms 860 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 2 ms 896 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 3 ms 1116 KB Output is correct
30 Correct 2 ms 860 KB Output is correct
31 Correct 2 ms 988 KB Output is correct
32 Correct 2 ms 860 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 2 ms 932 KB Output is correct
36 Correct 3 ms 1116 KB Output is correct
37 Correct 2 ms 860 KB Output is correct
38 Correct 2 ms 860 KB Output is correct
39 Correct 3 ms 860 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 11 ms 2424 KB Output is correct
44 Correct 13 ms 2396 KB Output is correct
45 Correct 11 ms 2396 KB Output is correct
46 Correct 14 ms 2396 KB Output is correct
47 Correct 11 ms 2396 KB Output is correct
48 Correct 11 ms 2396 KB Output is correct
49 Correct 12 ms 2416 KB Output is correct
50 Correct 12 ms 2396 KB Output is correct
51 Correct 13 ms 2432 KB Output is correct
52 Correct 11 ms 2396 KB Output is correct
53 Correct 3 ms 860 KB Output is correct
54 Correct 5 ms 1400 KB Output is correct
55 Correct 8 ms 1628 KB Output is correct
56 Correct 11 ms 2416 KB Output is correct
57 Correct 11 ms 2396 KB Output is correct
58 Execution timed out 796 ms 176832 KB Time limit exceeded
59 Halted 0 ms 0 KB -