oj.uz

Submission #543628

# Submission time Handle Problem Language Result Execution time Memory
543628 2022-03-31T04:19:55 Z armashka JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 27 ms 5572 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
 
#define fast ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
#define file(s) freopen(s".in", "r", stdin);freopen(s".out", "w", stdout);
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define pb push_back
#define sz size()
#define ft first
#define sd second
 
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef unsigned long long ull;
    
const int N = 1e6 + 10;
const int M = 1e3 + 5;
const ll inf = 1e9;
const ll mod = 1e9 + 7;
const double Pi = acos(-1); 
 
ll binpow(ll x, ll ti) { ll res = 1;while (ti){if(ti & 1)res *= x;x *= x;ti >>= 1; x %= mod; res %= mod;} return res;}
ll binmul(ll x, ll ti) { ll res = 0;while (ti){if(ti & 1)res += x;x += x;ti >>= 1; x %= mod; res %= mod;} return res;}
ll nok(ll a, ll b) { return (a*b)/__gcd(abs(a),abs(b)) * (a*b > 0 ? 1 : -1); }
bool odd(ll n) { return (n % 2 == 1); }                                   
bool even(ll n) { return (n % 2 == 0); }

ll n, k, a[N], b[N], c[N];
string s;

const void solve(/*Armashka*/) {
    cin >> n >> k >> s;
    s = " " + s;
    ll ans = inf;
    for (int i = 1; i <= n; ++ i) {
        a[i] = a[i - 1];
        b[i] = b[i - 1];
        c[i] = c[i - 1];
        if (s[i] == 'J') ++ a[i];
        else if (s[i] == 'O') ++ b[i];
        else ++ c[i];
    }

    for (int i = 1; i <= n; ++ i) {
        int l = i, r = n, j = -1;
        while (l <= r) {
            int mid = (l + r) / 2;
            if (a[mid] - a[i - 1] >= k) r = mid - 1, j = mid;
            else l = mid + 1;
        }

        if (j == -1) continue;
        l = j + 1, r = n;
        int kk = -1;
        while (l <= r) {
            int mid = (l + r) / 2;
            if (b[mid] - b[j] >= k) r = mid - 1, kk = mid;
            else l = mid + 1;
        }
        if (kk == -1) continue;
        l = kk + 1, r = n;
        int h = -1;
        while (l <= r) {
            int mid = (l + r) / 2;
            if (c[mid] - c[kk] >= k) r = mid - 1, h = mid;
            else l = mid + 1;
        }
        if (h == -1) continue;
        ans = min(ans, (h - i + 1) - k * 3);
    }
    if (ans == inf) ans = -1;
    cout << ans;
}  
 
signed main() {
    srand(time(NULL));
    fast;
    // file("");
    int tt = 1;
    // cin >> tt;
    while (tt --) {
        solve();
    }                            
}
// Jelbiretip kok tudy, boys in the hood
// Kim qandai juz, kimde qandai ru

Compilation message

ho_t2.cpp:5: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    5 | #pragma comment(linker, "/stack:200000000")
      |

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 340 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 26 ms 5160 KB Output is correct
37 Correct 23 ms 5532 KB Output is correct
38 Correct 23 ms 5572 KB Output is correct
39 Correct 26 ms 5408 KB Output is correct
40 Correct 18 ms 5532 KB Output is correct
41 Correct 22 ms 5532 KB Output is correct
42 Correct 27 ms 5532 KB Output is correct
43 Correct 10 ms 3668 KB Output is correct
44 Correct 12 ms 4412 KB Output is correct
45 Correct 16 ms 5556 KB Output is correct
46 Correct 17 ms 5532 KB Output is correct
47 Correct 15 ms 5548 KB Output is correct
48 Correct 17 ms 5532 KB Output is correct
49 Correct 12 ms 3756 KB Output is correct
50 Correct 16 ms 5532 KB Output is correct
51 Correct 17 ms 5556 KB Output is correct
52 Correct 12 ms 5288 KB Output is correct
53 Correct 9 ms 5512 KB Output is correct
54 Correct 12 ms 5532 KB Output is correct
55 Correct 9 ms 5536 KB Output is correct
56 Correct 8 ms 5532 KB Output is correct