Submission #753881

# Submission time Handle Problem Language Result Execution time Memory
753881 2023-06-06T08:58:02 Z vjudge1 JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
6 ms 2572 KB
#include <bits/stdc++.h>
#define Kuanyshh ios_base::sync_with_stdio(0) , cin.tie(0) , cout.tie(0) ;
//#define s second
//#define f first

#pragma GCC optimize( "Ofast", "O3" , "unroll-loops")
#pragma GCC target ("sse,sse2")

using namespace std;
using ll = long long;

const int inf = 1e18+77;
const int mod = 1e9+7;
const int mx = 1e5+79;

int cntj[mx], cnto[mx], cnti[mx];

void shift(){
	int n, k;
	string s;
	cin >> n >> k >> s;
	int res = inf, index, kj = 0, ko = 0, ki = 0, ko2=0, ki2=0;
	vector<int> o, ii, j;
	for(int i = 0; i < s.size(); i++){
		if(s[i] == 'J'){
			j.push_back(i);
			cntj[j.size()] = i;
		}
		if(s[i] == 'O'){
			o.push_back(i);
			cnto[o.size()] = i;
		}
		if(s[i] == 'I'){
			ii.push_back(i);
			cnti[ii.size()] = i;
		}
	}
	kj = j.size();
	ko = o.size();
	ki = ii.size();
    for(int i = 1; i <= kj; i++){
        if(i + k - 1 > kj){
        	break;
		}else{
			index = cntj[i + k - 1];
		}
        while(cnto[ko2] <= index){
        	ko2++;
        	if(ko2 > ko) break;
		}
        if(ko2 + k - 1 > ko){
        	break;
		}else{
			index = cnto[ko2 + k - 1];
		}
        while(cnti[ki2] < index){
        	ki2++;
        	if(ki2 > ki){
        		break;
			}
		}
        if(ki2 + k - 1 > ki){
        	break;
		}else{
			index = cnti[ki2 + k - 1];
		}
		int ans = index - cntj[i] + 1 - 3 * k;
        res = min(res, ans);
    }
    if(res == inf || res < 0) cout << -1;
	else cout << res; 
}

signed main(){
    Kuanyshh;
    int tt = 1;
//    cin >> tt;
    while(tt--){
        shift();
    }
}

Compilation message

ho_t2.cpp:12:21: warning: overflow in conversion from 'double' to 'int' changes value from '1.0000000000000001e+18' to '2147483647' [-Woverflow]
   12 | const int inf = 1e18+77;
      |                 ~~~~^~~
ho_t2.cpp: In function 'void shift()':
ho_t2.cpp:24:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |  for(int i = 0; i < s.size(); i++){
      |                 ~~^~~~~~~~~~
# 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 1 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 0 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
# 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 1 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 0 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 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 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 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 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 0 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 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
# 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 1 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 0 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 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 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 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 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 0 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 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 6 ms 2128 KB Output is correct
37 Correct 6 ms 2468 KB Output is correct
38 Correct 6 ms 2476 KB Output is correct
39 Correct 6 ms 2500 KB Output is correct
40 Correct 5 ms 2520 KB Output is correct
41 Correct 5 ms 2460 KB Output is correct
42 Correct 6 ms 2464 KB Output is correct
43 Correct 3 ms 1648 KB Output is correct
44 Correct 3 ms 1880 KB Output is correct
45 Correct 4 ms 2520 KB Output is correct
46 Correct 4 ms 2572 KB Output is correct
47 Correct 4 ms 2520 KB Output is correct
48 Correct 5 ms 2520 KB Output is correct
49 Correct 3 ms 1836 KB Output is correct
50 Correct 4 ms 2508 KB Output is correct
51 Correct 5 ms 2520 KB Output is correct
52 Correct 5 ms 2136 KB Output is correct
53 Correct 5 ms 2364 KB Output is correct
54 Correct 3 ms 2524 KB Output is correct
55 Correct 3 ms 2524 KB Output is correct
56 Correct 3 ms 2524 KB Output is correct