oj.uz

Submission #828085

# Submission time Handle Problem Language Result Execution time Memory
828085 2023-08-17T03:57:00 Z tfgs JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 5 ms 2412 KB 
#include <bits/stdc++.h>
using namespace std;
using pll = pair<long long, long long>;
#define ll long long
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define pb push_back
#define eb emplace_back
#define vi vector<ll>
#define vb vector<bool>
#define f0(i,a) for(ll i=0;i<(a);i++)
#define f1(i,a) for(ll i=1;i<(a);i++)
#define rep(i,a,b) for(int i=(a);i<=(b);++i)
#define per(i,a,b) for(int i=(a);i>=(b);--i)
#define f first
#define s second
template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; }
// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0200r0.html
template<class Fun> class y_combinator_result {
    Fun fun_;
public:
    template<class T> explicit y_combinator_result(T &&fun): fun_(std::forward<T>(fun)) {}
    template<class ...Args> decltype(auto) operator()(Args &&...args) { return fun_(std::ref(*this), std::forward<Args>(args)...); }
};
template<class Fun> decltype(auto) y_combinator(Fun &&fun) { return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun)); }
#ifdef I_AM_NOOB
#define gg(...) [](const auto&...x){ char c='='; cerr<<#__VA_ARGS__; ((cerr<<exchange(c,',')<<x),...); cerr<<endl; }(__VA_ARGS__);
#else
#define gg(...) 777771449
#endif

constexpr ll INFF = 1e18;
constexpr ll P = 1e9+7;
// constexpr ll P = 998244353;

int main() {
    cin.tie(0) -> ios::sync_with_stdio(0);
    
    ll n, k; while (cin >> n >> k) {
        string s; cin >> s;
        deque<ll> J, O, I;
        f0(i, n) {
            if (s[i] == 'J') J.pb(i);
            if (s[i] == 'O') O.pb(i);
            if (s[i] == 'I') I.pb(i);
        }
        ll ans = INFF;
        for (ll i = k-1; i < J.size(); i++) {
            while (!O.empty() && O.front() < J[i]) O.pop_front();
            if (O.size() < k) continue;
            while (!I.empty() && I.front() < O[k-1]) I.pop_front();
            if (I.size() < k) continue;
            ans = min(ans, I[k-1] - J[i-k+1] + 1 - 3*k);
        }

        cout << (ans == INFF ? -1 : ans) << endl;
    } 
    
    return 0;
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:49:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::deque<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |         for (ll i = k-1; i < J.size(); i++) {
      |                          ~~^~~~~~~~~~
ho_t2.cpp:51:26: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   51 |             if (O.size() < k) continue;
      |                 ~~~~~~~~~^~~
ho_t2.cpp:53:26: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   53 |             if (I.size() < k) continue;
      |                 ~~~~~~~~~^~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 320 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 320 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 320 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 316 KB Output is correct
33 Correct 1 ms 320 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 320 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 320 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 320 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 316 KB Output is correct
33 Correct 1 ms 320 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 4 ms 2144 KB Output is correct
37 Correct 5 ms 2372 KB Output is correct
38 Correct 5 ms 2388 KB Output is correct
39 Correct 5 ms 2412 KB Output is correct
40 Correct 4 ms 2272 KB Output is correct
41 Correct 5 ms 2388 KB Output is correct
42 Correct 5 ms 2284 KB Output is correct
43 Correct 3 ms 1492 KB Output is correct
44 Correct 3 ms 1876 KB Output is correct
45 Correct 4 ms 2272 KB Output is correct
46 Correct 4 ms 2272 KB Output is correct
47 Correct 4 ms 2272 KB Output is correct
48 Correct 4 ms 2272 KB Output is correct
49 Correct 3 ms 1632 KB Output is correct
50 Correct 5 ms 2400 KB Output is correct
51 Correct 5 ms 2396 KB Output is correct
52 Correct 3 ms 2272 KB Output is correct
53 Correct 3 ms 2272 KB Output is correct
54 Correct 2 ms 2272 KB Output is correct
55 Correct 2 ms 2400 KB Output is correct
56 Correct 2 ms 2372 KB Output is correct