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답안 #1000427

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1000427 2024-06-17T13:49:55 Z vjudge1 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 395 ms 763472 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

//#define int long long
#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define FORD(i, a, b) for (int i = (b); i >= (a); i --)
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define REPD(i, n) for (int i = (n) - 1; i >= 0; --i)

#define MASK(i) (1LL << (i))
#define BIT(x, i) (((x) >> (i)) & 1)


constexpr ll LINF = (1ll << 60);
constexpr int INF = (1ll << 30);
constexpr int Mod = 1e9 + 7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

/*
    Phu Trong from Nguyen Tat Thanh High School for gifted student
*/

template <class X, class Y>
    bool minimize(X &x, const Y &y){
        X eps = 1e-9;
        if (x > y + eps) {x = y; return 1;}
        return 0;
    }

template <class X, class Y>
    bool maximize(X &x, const Y &y){
        X eps = 1e-9;
        if (x + eps < y) {x = y; return 1;}
        return 0;
    }
string s;
int n;

#define MAX     402


int conv(char x){
    if (x == 'R') return 0;
    if (x == 'Y') return 1;
    if (x == 'G') return 2;
}

int cnt[3];
int dp[3][MAX][MAX][MAX];
int pref[3][MAX], pos[3][MAX];
void process(void){
    cin >> n >> s;
    for (int i = 0; i < n; ++i){
        int c = conv(s[i]);
        pos[c][cnt[c]++] = i;
        pref[c][i]++;
        REP(j, 3){
            pref[j][i + 1] += pref[j][i];
        }
    }

    memset(dp, 0x3f, sizeof dp);

    REP(c, 3) REP(i, cnt[0] + 1) REP(j, cnt[1] + 1) REP(k, cnt[2] + 1) dp[c][i][j][k] = INF;

    dp[0][0][0][0] = dp[1][0][0][0] = dp[2][0][0][0] = 0;
    REP(i, cnt[0] + 1) REP(j, cnt[1] + 1) REP(k, cnt[2] + 1){
        REP(last, 3) {
            if (last != 0 && i < cnt[0]){
                int loc = pos[0][i];
                minimize(dp[0][i + 1][j][k], dp[last][i][j][k] + max(0, pref[1][loc] - j) + max(0, pref[2][loc] - k));
            }
            if (last != 1 && j < cnt[1]){
                int loc = pos[1][j];
                minimize(dp[1][i][j + 1][k], dp[last][i][j][k] + max(0, pref[0][loc] - i) + max(0, pref[2][loc] - k));
            }
            if (last != 2 && k < cnt[2]){
                int loc = pos[2][k];
                minimize(dp[2][i][j][k + 1], dp[last][i][j][k] + max(0, pref[0][loc] - i) + max(0, pref[1][loc] - j));
            }
        }
    }

    int ans = min({dp[0][cnt[0]][cnt[1]][cnt[2]], dp[1][cnt[0]][cnt[1]][cnt[2]], dp[2][cnt[0]][cnt[1]][cnt[2]]});
    cout << (ans >= INF ? -1 : ans);
}

signed main(){
    #define name "Whisper"
    cin.tie(nullptr) -> sync_with_stdio(false);
   //freopen(name".inp", "r", stdin);
   //freopen(name".out", "w", stdout);

    process();
}

Compilation message

joi2019_ho_t3.cpp: In function 'int conv(char)':
joi2019_ho_t3.cpp:48:1: warning: control reaches end of non-void function [-Wreturn-type]
   48 | }
      | ^

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 307 ms 763216 KB Output is correct
2 Correct 317 ms 763216 KB Output is correct
3 Correct 309 ms 763220 KB Output is correct
4 Correct 314 ms 763120 KB Output is correct
5 Correct 304 ms 763220 KB Output is correct
6 Correct 334 ms 763220 KB Output is correct
7 Correct 312 ms 763216 KB Output is correct
8 Correct 304 ms 763216 KB Output is correct
9 Correct 370 ms 763216 KB Output is correct
10 Correct 322 ms 763036 KB Output is correct
11 Correct 319 ms 763472 KB Output is correct
12 Correct 395 ms 763128 KB Output is correct
13 Correct 303 ms 763220 KB Output is correct
14 Correct 320 ms 763208 KB Output is correct
15 Correct 310 ms 763096 KB Output is correct
16 Correct 319 ms 763220 KB Output is correct
17 Correct 312 ms 763220 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 307 ms 763216 KB Output is correct
2 Correct 317 ms 763216 KB Output is correct
3 Correct 309 ms 763220 KB Output is correct
4 Correct 314 ms 763120 KB Output is correct
5 Correct 304 ms 763220 KB Output is correct
6 Correct 334 ms 763220 KB Output is correct
7 Correct 312 ms 763216 KB Output is correct
8 Correct 304 ms 763216 KB Output is correct
9 Correct 370 ms 763216 KB Output is correct
10 Correct 322 ms 763036 KB Output is correct
11 Correct 319 ms 763472 KB Output is correct
12 Correct 395 ms 763128 KB Output is correct
13 Correct 303 ms 763220 KB Output is correct
14 Correct 320 ms 763208 KB Output is correct
15 Correct 310 ms 763096 KB Output is correct
16 Correct 319 ms 763220 KB Output is correct
17 Correct 312 ms 763220 KB Output is correct
18 Correct 305 ms 763164 KB Output is correct
19 Correct 348 ms 763040 KB Output is correct
20 Correct 314 ms 763168 KB Output is correct
21 Correct 318 ms 763208 KB Output is correct
22 Correct 314 ms 763120 KB Output is correct
23 Correct 312 ms 763036 KB Output is correct
24 Correct 319 ms 763216 KB Output is correct
25 Correct 338 ms 763052 KB Output is correct
26 Correct 305 ms 763056 KB Output is correct
27 Correct 324 ms 763216 KB Output is correct
28 Correct 313 ms 763192 KB Output is correct
29 Correct 312 ms 763148 KB Output is correct
30 Correct 313 ms 763072 KB Output is correct
31 Correct 312 ms 763136 KB Output is correct
32 Correct 315 ms 763332 KB Output is correct
33 Correct 350 ms 763216 KB Output is correct
34 Correct 343 ms 763024 KB Output is correct
35 Correct 355 ms 763220 KB Output is correct
36 Correct 301 ms 763320 KB Output is correct
37 Correct 307 ms 763216 KB Output is correct
38 Correct 311 ms 763220 KB Output is correct
39 Correct 304 ms 763216 KB Output is correct
40 Correct 323 ms 763220 KB Output is correct
41 Correct 308 ms 763108 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 315 ms 763220 KB Output is correct
2 Correct 315 ms 763216 KB Output is correct
3 Correct 313 ms 763224 KB Output is correct
4 Correct 312 ms 763220 KB Output is correct
5 Correct 308 ms 763268 KB Output is correct
6 Correct 342 ms 763048 KB Output is correct
7 Correct 308 ms 763184 KB Output is correct
8 Correct 308 ms 763124 KB Output is correct
9 Correct 312 ms 763088 KB Output is correct
10 Correct 321 ms 763220 KB Output is correct
11 Correct 388 ms 763072 KB Output is correct
12 Correct 332 ms 763056 KB Output is correct
13 Correct 345 ms 763220 KB Output is correct
14 Correct 328 ms 763220 KB Output is correct
15 Correct 336 ms 763428 KB Output is correct
16 Correct 336 ms 763244 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 307 ms 763216 KB Output is correct
2 Correct 317 ms 763216 KB Output is correct
3 Correct 309 ms 763220 KB Output is correct
4 Correct 314 ms 763120 KB Output is correct
5 Correct 304 ms 763220 KB Output is correct
6 Correct 334 ms 763220 KB Output is correct
7 Correct 312 ms 763216 KB Output is correct
8 Correct 304 ms 763216 KB Output is correct
9 Correct 370 ms 763216 KB Output is correct
10 Correct 322 ms 763036 KB Output is correct
11 Correct 319 ms 763472 KB Output is correct
12 Correct 395 ms 763128 KB Output is correct
13 Correct 303 ms 763220 KB Output is correct
14 Correct 320 ms 763208 KB Output is correct
15 Correct 310 ms 763096 KB Output is correct
16 Correct 319 ms 763220 KB Output is correct
17 Correct 312 ms 763220 KB Output is correct
18 Correct 305 ms 763164 KB Output is correct
19 Correct 348 ms 763040 KB Output is correct
20 Correct 314 ms 763168 KB Output is correct
21 Correct 318 ms 763208 KB Output is correct
22 Correct 314 ms 763120 KB Output is correct
23 Correct 312 ms 763036 KB Output is correct
24 Correct 319 ms 763216 KB Output is correct
25 Correct 338 ms 763052 KB Output is correct
26 Correct 305 ms 763056 KB Output is correct
27 Correct 324 ms 763216 KB Output is correct
28 Correct 313 ms 763192 KB Output is correct
29 Correct 312 ms 763148 KB Output is correct
30 Correct 313 ms 763072 KB Output is correct
31 Correct 312 ms 763136 KB Output is correct
32 Correct 315 ms 763332 KB Output is correct
33 Correct 350 ms 763216 KB Output is correct
34 Correct 343 ms 763024 KB Output is correct
35 Correct 355 ms 763220 KB Output is correct
36 Correct 301 ms 763320 KB Output is correct
37 Correct 307 ms 763216 KB Output is correct
38 Correct 311 ms 763220 KB Output is correct
39 Correct 304 ms 763216 KB Output is correct
40 Correct 323 ms 763220 KB Output is correct
41 Correct 308 ms 763108 KB Output is correct
42 Correct 315 ms 763220 KB Output is correct
43 Correct 315 ms 763216 KB Output is correct
44 Correct 313 ms 763224 KB Output is correct
45 Correct 312 ms 763220 KB Output is correct
46 Correct 308 ms 763268 KB Output is correct
47 Correct 342 ms 763048 KB Output is correct
48 Correct 308 ms 763184 KB Output is correct
49 Correct 308 ms 763124 KB Output is correct
50 Correct 312 ms 763088 KB Output is correct
51 Correct 321 ms 763220 KB Output is correct
52 Correct 388 ms 763072 KB Output is correct
53 Correct 332 ms 763056 KB Output is correct
54 Correct 345 ms 763220 KB Output is correct
55 Correct 328 ms 763220 KB Output is correct
56 Correct 336 ms 763428 KB Output is correct
57 Correct 336 ms 763244 KB Output is correct
58 Correct 368 ms 763244 KB Output is correct
59 Correct 346 ms 763112 KB Output is correct
60 Correct 363 ms 763216 KB Output is correct
61 Correct 369 ms 763216 KB Output is correct
62 Correct 324 ms 763220 KB Output is correct
63 Correct 331 ms 763112 KB Output is correct
64 Correct 327 ms 763212 KB Output is correct
65 Correct 321 ms 763100 KB Output is correct
66 Correct 344 ms 763220 KB Output is correct
67 Correct 339 ms 763220 KB Output is correct
68 Correct 348 ms 763196 KB Output is correct
69 Correct 350 ms 763136 KB Output is correct
70 Correct 353 ms 763056 KB Output is correct
71 Correct 363 ms 763288 KB Output is correct
72 Correct 319 ms 763216 KB Output is correct
73 Correct 318 ms 763420 KB Output is correct