답안 #1023874

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1023874	2024-07-15T08:20:06 Z	underwaterkillerwhale	Group Photo (JOI21_ho_t3)	C++17	100 / 100	325 ms	165372 KB

Main

#include <bits/stdc++.h>
#define se              second
#define fs              first
#define pb              push_back
#define ll              long long
#define ii              pair<ll,ll>
#define ld              long double
#define SZ(v)           (int)v.size()
#define ALL(v)          v.begin(), v.end()
#define bit(msk, i)     ((msk >> i) & 1)
#define iter(id, v)     for(auto id : v)
#define rep(i,m,n)      for(int i=(m); i<=(n); i++)
#define reb(i,m,n)      for(int i=(m); i>=(n); i--)

using namespace std;

mt19937_64 rd(chrono :: steady_clock :: now().time_since_epoch().count());
ll Rand(ll l, ll r) { return uniform_int_distribution<ll> (l, r)(rd); }

const int N = 5e3 + 7;
const ll Mod = 1e9 + 7;
const int szBL = 916;
const ll INF = 1e9;
const int BASE = 137;

int n, Q;
int a[N];
int pos[N];
int cnt[N][N], cost[N][N];
int dp[N];

void solution () {
    cin >> n;
    rep (i, 1, n) {
        cin >> a[i];
        pos[a[i]] = i;
    }
    rep (i, 1, n) {
        rep (j, 1, n) {
            cnt[i][j] = cnt[i - 1][j] + (a[i] >= j);
        }
    }
    rep (i, 1, n)
    rep (j, i, n) {
        cost[i][j] = cost[i][j - 1] + cnt[pos[j]][i] - cnt[pos[j]][j];
    }
    dp[0] = 0;
    rep (i, 1, n) {
        dp[i] = 1e9;
        int curcost = 0;
        reb (j, i, 1) {
            curcost += cnt[pos[j]][i + 1];
            dp[i]= min(dp[i], dp[j - 1] + curcost + cost[j][i]);
        }
    }
    cout << dp[n] <<"\n";
}

#define file(name) freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout);

int main () {
//    file("c");
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    ll num_Test = 1;
//    cin >> num_Test;
    while(num_Test--)
        solution();
}
/*

*/

Subtask #1
5.0 / 5.0

#	결과	메모리	Grader output
1	Correct	344 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct

Subtask #2
7.0 / 7.0

#	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	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 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	856 KB	Output is correct
12	Correct	1 ms	600 KB	Output is correct
13	Correct	0 ms	604 KB	Output is correct
14	Correct	0 ms	604 KB	Output is correct
15	Correct	0 ms	604 KB	Output is correct
16	Correct	0 ms	604 KB	Output is correct
17	Correct	0 ms	604 KB	Output is correct
18	Correct	0 ms	604 KB	Output is correct
19	Correct	0 ms	600 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct

Subtask #3
32.0 / 32.0

#	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	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 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	856 KB	Output is correct
12	Correct	1 ms	600 KB	Output is correct
13	Correct	0 ms	604 KB	Output is correct
14	Correct	0 ms	604 KB	Output is correct
15	Correct	0 ms	604 KB	Output is correct
16	Correct	0 ms	604 KB	Output is correct
17	Correct	0 ms	604 KB	Output is correct
18	Correct	0 ms	604 KB	Output is correct
19	Correct	0 ms	600 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct
21	Correct	1 ms	2140 KB	Output is correct
22	Correct	1 ms	2140 KB	Output is correct
23	Correct	1 ms	2264 KB	Output is correct
24	Correct	1 ms	2140 KB	Output is correct
25	Correct	1 ms	2136 KB	Output is correct
26	Correct	1 ms	2140 KB	Output is correct
27	Correct	1 ms	2140 KB	Output is correct
28	Correct	1 ms	2140 KB	Output is correct
29	Correct	1 ms	2140 KB	Output is correct
30	Correct	1 ms	2140 KB	Output is correct

Subtask #4
20.0 / 20.0

#	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	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 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	856 KB	Output is correct
12	Correct	1 ms	600 KB	Output is correct
13	Correct	0 ms	604 KB	Output is correct
14	Correct	0 ms	604 KB	Output is correct
15	Correct	0 ms	604 KB	Output is correct
16	Correct	0 ms	604 KB	Output is correct
17	Correct	0 ms	604 KB	Output is correct
18	Correct	0 ms	604 KB	Output is correct
19	Correct	0 ms	600 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct
21	Correct	1 ms	2140 KB	Output is correct
22	Correct	1 ms	2140 KB	Output is correct
23	Correct	1 ms	2264 KB	Output is correct
24	Correct	1 ms	2140 KB	Output is correct
25	Correct	1 ms	2136 KB	Output is correct
26	Correct	1 ms	2140 KB	Output is correct
27	Correct	1 ms	2140 KB	Output is correct
28	Correct	1 ms	2140 KB	Output is correct
29	Correct	1 ms	2140 KB	Output is correct
30	Correct	1 ms	2140 KB	Output is correct
31	Correct	6 ms	10584 KB	Output is correct
32	Correct	8 ms	10584 KB	Output is correct
33	Correct	7 ms	10588 KB	Output is correct
34	Correct	6 ms	10588 KB	Output is correct
35	Correct	6 ms	10588 KB	Output is correct
36	Correct	8 ms	10588 KB	Output is correct
37	Correct	6 ms	10668 KB	Output is correct
38	Correct	7 ms	10588 KB	Output is correct
39	Correct	6 ms	10584 KB	Output is correct
40	Correct	7 ms	10588 KB	Output is correct

Subtask #5
36.0 / 36.0

#	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	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 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	856 KB	Output is correct
12	Correct	1 ms	600 KB	Output is correct
13	Correct	0 ms	604 KB	Output is correct
14	Correct	0 ms	604 KB	Output is correct
15	Correct	0 ms	604 KB	Output is correct
16	Correct	0 ms	604 KB	Output is correct
17	Correct	0 ms	604 KB	Output is correct
18	Correct	0 ms	604 KB	Output is correct
19	Correct	0 ms	600 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct
21	Correct	1 ms	2140 KB	Output is correct
22	Correct	1 ms	2140 KB	Output is correct
23	Correct	1 ms	2264 KB	Output is correct
24	Correct	1 ms	2140 KB	Output is correct
25	Correct	1 ms	2136 KB	Output is correct
26	Correct	1 ms	2140 KB	Output is correct
27	Correct	1 ms	2140 KB	Output is correct
28	Correct	1 ms	2140 KB	Output is correct
29	Correct	1 ms	2140 KB	Output is correct
30	Correct	1 ms	2140 KB	Output is correct
31	Correct	6 ms	10584 KB	Output is correct
32	Correct	8 ms	10584 KB	Output is correct
33	Correct	7 ms	10588 KB	Output is correct
34	Correct	6 ms	10588 KB	Output is correct
35	Correct	6 ms	10588 KB	Output is correct
36	Correct	8 ms	10588 KB	Output is correct
37	Correct	6 ms	10668 KB	Output is correct
38	Correct	7 ms	10588 KB	Output is correct
39	Correct	6 ms	10584 KB	Output is correct
40	Correct	7 ms	10588 KB	Output is correct
41	Correct	291 ms	165176 KB	Output is correct
42	Correct	286 ms	165200 KB	Output is correct
43	Correct	289 ms	165220 KB	Output is correct
44	Correct	295 ms	165204 KB	Output is correct
45	Correct	305 ms	165204 KB	Output is correct
46	Correct	312 ms	165200 KB	Output is correct
47	Correct	325 ms	165204 KB	Output is correct
48	Correct	317 ms	165204 KB	Output is correct
49	Correct	298 ms	165196 KB	Output is correct
50	Correct	324 ms	165352 KB	Output is correct
51	Correct	288 ms	165204 KB	Output is correct
52	Correct	314 ms	165228 KB	Output is correct
53	Correct	300 ms	165372 KB	Output is correct
54	Correct	307 ms	165204 KB	Output is correct
55	Correct	291 ms	165208 KB	Output is correct

답안 #1023874

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 32.0 / 32.0

Subtask #4 20.0 / 20.0

Subtask #5 36.0 / 36.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
32.0 / 32.0

Subtask #4
20.0 / 20.0

Subtask #5
36.0 / 36.0