oj.uz

답안 #166746

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
166746 2019-12-03T15:36:42 Z stefdasca JOIOJI (JOI14_joioji) C++14
100 / 100
 56 ms 6276 KB 
#include<bits/stdc++.h>
#define god dimasi5eks
#pragma GCC optimize("O3")
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define mod 1000000007
#define dancila 3.14159265359
#define eps 1e-9

using namespace std;

typedef long long ll;


int add(int a, int b)
{
    ll x = a+b;
    if(x >= mod)
        x -= mod;
    if(x < 0)
        x += mod;
    return x;
}
ll mul(ll a, ll b)
{
    return (a*b) % mod;
}

ll pw(ll a, ll b)
{
    ll ans = 1;
    while(b)
    {
        if(b & 1)
            ans = (ans * a) % mod;
        a = (a * a) % mod;
        b >>= 1;
    }
    return ans;
}
map<pair<int, pair<int, int> >, int> mp;
int n;
string s;
int v[5];

int ans;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n;
    cin >> s;
    mp[{0, {0, 0}}] = -1;
    for(int i = 0; i < n; ++i)
    {
        if(s[i] == 'J')
            ++v[1];
        if(s[i] == 'O')
            ++v[2];
        if(s[i] == 'I')
            ++v[3];
        int mn = min(v[1], min(v[2], v[3]));
        if(mp.find({v[1] - mn, {v[2] - mn, v[3] - mn}}) != mp.end())
            ans = max(ans, i - mp[{v[1] - mn, {v[2] - mn, v[3] - mn}}]);
        else
            mp[{v[1] - mn, {v[2] - mn, v[3] - mn}}] = i;
    }
    cout << ans;
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 380 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 296 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 380 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 3 ms 504 KB Output is correct

Subtask #3
80.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 504 KB Output is correct
2 Correct 9 ms 1016 KB Output is correct
3 Correct 15 ms 1528 KB Output is correct
4 Correct 26 ms 2268 KB Output is correct
5 Correct 42 ms 3460 KB Output is correct
6 Correct 48 ms 3632 KB Output is correct
7 Correct 51 ms 4100 KB Output is correct
8 Correct 53 ms 3592 KB Output is correct
9 Correct 52 ms 3844 KB Output is correct
10 Correct 56 ms 3716 KB Output is correct
11 Correct 43 ms 5252 KB Output is correct
12 Correct 40 ms 2436 KB Output is correct
13 Correct 28 ms 1672 KB Output is correct
14 Correct 46 ms 6276 KB Output is correct
15 Correct 25 ms 1412 KB Output is correct