oj.uz

Submission #647329

# Submission time Handle Problem Language Result Execution time Memory
647329 2022-10-02T08:20:26 Z Astrayt JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 12 ms 3288 KB 
//君の手を握ってしまったら
//孤独を知らないこの街には
//もう二度と帰ってくることはできないのでしょう
//君が手を差し伸べた 光で影が生まれる
//歌って聞かせて この話の続き
//連れて行って見たことない星まで
//さユリ - 花の塔
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define int ll
#define starburst ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define pii pair<int,int>
#define pb push_back
#define ff first
#define ss second
#define N 100005

void solve(){
    int n, k; cin >> n >> k;
    string s; cin >> s;
    vector<int> jp, op, ip;
    for(int i = 0; i < n; ++i){
        if(s[i] == 'J') jp.pb(i);
        if(s[i] == 'O') op.pb(i);
        if(s[i] == 'I') ip.pb(i);
    }
    if(jp.size() < k || op.size() < k || ip.size() < k) {
        cout << "-1\n";
        return;
    }
    int ans = 1e18;
    for(int i = 0, j = k - 1; j < op.size(); ++i, ++j){
        int lo = op[i], ro = op[j];
        int rj = (upper_bound(jp.begin(), jp.end(), lo) - jp.begin() - 1), lj = rj - k + 1;
        if(lj < 0) continue;
        int li = (upper_bound(ip.begin(), ip.end(), ro) - ip.begin()), ri = li + k - 1;
        if(ri >= ip.size()) continue;
        ans = min(ip[ri] - jp[lj] + 1 - 3 * k, ans);
    }
    cout << (ans == 1e18 ? -1 : ans) << '\n';
}

signed main(){
    starburst
    int t = 1; //cin >> t;
    while(t--) solve();
}

Compilation message

ho_t2.cpp: In function 'void solve()':
ho_t2.cpp:28:18: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   28 |     if(jp.size() < k || op.size() < k || ip.size() < k) {
      |        ~~~~~~~~~~^~~
ho_t2.cpp:28:35: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   28 |     if(jp.size() < k || op.size() < k || ip.size() < k) {
      |                         ~~~~~~~~~~^~~
ho_t2.cpp:28:52: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   28 |     if(jp.size() < k || op.size() < k || ip.size() < k) {
      |                                          ~~~~~~~~~~^~~
ho_t2.cpp:33:33: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for(int i = 0, j = k - 1; j < op.size(); ++i, ++j){
      |                               ~~^~~~~~~~~~~
ho_t2.cpp:38:15: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |         if(ri >= ip.size()) continue;
      |            ~~~^~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 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 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 320 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 340 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 316 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 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 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 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 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 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 320 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 340 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 316 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 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 10 ms 2372 KB Output is correct
37 Correct 12 ms 2892 KB Output is correct
38 Correct 11 ms 2868 KB Output is correct
39 Correct 11 ms 2976 KB Output is correct
40 Correct 9 ms 3032 KB Output is correct
41 Correct 10 ms 3020 KB Output is correct
42 Correct 11 ms 2892 KB Output is correct
43 Correct 6 ms 1832 KB Output is correct
44 Correct 6 ms 2000 KB Output is correct
45 Correct 7 ms 2960 KB Output is correct
46 Correct 8 ms 2960 KB Output is correct
47 Correct 8 ms 3020 KB Output is correct
48 Correct 8 ms 2980 KB Output is correct
49 Correct 5 ms 1868 KB Output is correct
50 Correct 8 ms 2992 KB Output is correct
51 Correct 8 ms 3020 KB Output is correct
52 Correct 5 ms 2468 KB Output is correct
53 Correct 5 ms 2888 KB Output is correct
54 Correct 6 ms 3288 KB Output is correct
55 Correct 4 ms 3288 KB Output is correct
56 Correct 3 ms 3288 KB Output is correct