답안 #543311

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
543311	2022-03-30T06:35:09 Z	balbit	Monochrome Points (JOI20_monochrome)	C++14	35 / 100	2000 ms	2912 KB

monochrome

#include <bits/stdc++.h>
#define int ll
using namespace std;
#define ll long long
#define y1 zck_is_king
#define pii pair<ll, ll>
#define ull unsigned ll
#define f first
#define s second
#define ALL(x) x.begin(),x.end()
#define SZ(x) (int)x.size()
#define SQ(x) (x)*(x)
#define MN(a,b) a = min(a,(__typeof__(a))(b))
#define MX(a,b) a = max(a,(__typeof__(a))(b))
#define pb push_back
#define REP(i,n) for (int i = 0; i<n; ++i)
#define RREP(i,n) for (int i = n-1; i>=0; --i)
#define REP1(i,n) for (int i = 1; i<=n; ++i)
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
#ifdef BALBIT
#define IOS()
#define bug(...) fprintf(stderr,"#%d (%s) = ",__LINE__,#__VA_ARGS__),_do(__VA_ARGS__);
template<typename T> void _do(T &&x){cerr<<x<<endl;}
template<typename T, typename ...S> void _do(T &&x, S &&...y){cerr<<x<<", ";_do(y...);}
#else
#define IOS() ios_base::sync_with_stdio(0);cin.tie(0);
#define endl '\n'
#define bug(...)
#endif

const int iinf = 1e9+10;
const ll inf = 1ll<<60;
const ll mod = 1e9+7 ;


void GG(){cout<<"0\n"; exit(0);}

ll mpow(ll a, ll n, ll mo = mod){ // a^n % mod
    ll re=1;
    while (n>0){
        if (n&1) re = re*a %mo;
        a = a*a %mo;
        n>>=1;
    }
    return re;
}

ll inv (ll b, ll mo = mod){
    if (b==1) return b;
    return (mo-mo/b) * inv(mo%b,mo) % mo;
}

const int maxn = 1e5+5;


//char a[maxn];

signed main(){
    IOS();

    int n; cin>>n; n*=2;
    string a; cin>>a;
    ll ans = 0;

    REP(tt,n) {
        int totb=0, totw=0;
        int hb=0, hw=0;
        ll re = 0;

        vector<int> v;
        REP(i,n) {
            (a[i] == 'B'?totb:totw) ++;
            if (a[i] == 'B') {
                if ((n/2 - totw) >= hb+1) {
                    v.pb(0);
                    ++hb;
                }else{
                    auto it = find(ALL(v), 1);
                    re += v.end() - it - 1;
                    v.erase(it);
                    hw--;
                }
            }else{
                if ((n/2 - totb) >= hw+1) {
                    v.pb(1);
                    ++hw;
                }else{
                    auto it = find(ALL(v), 0);
                    re += v.end() - it - 1;
                    v.erase(it);
                    hb--;
                }
            }
        }

        MX(ans, re);
        a = a.substr(n-1) + a.substr(0, n-1);
        bug(a);
    }
    cout<<ans<<endl;


}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	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	1 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	1 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

Subtask #2
21.0 / 21.0

#	결과	실행 시간	메모리	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	1 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	1 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	11 ms	324 KB	Output is correct
15	Correct	12 ms	320 KB	Output is correct
16	Correct	11 ms	212 KB	Output is correct
17	Correct	10 ms	324 KB	Output is correct
18	Correct	7 ms	212 KB	Output is correct
19	Correct	7 ms	212 KB	Output is correct
20	Correct	7 ms	320 KB	Output is correct
21	Correct	6 ms	212 KB	Output is correct
22	Correct	7 ms	212 KB	Output is correct
23	Correct	4 ms	212 KB	Output is correct
24	Correct	6 ms	212 KB	Output is correct
25	Correct	5 ms	212 KB	Output is correct
26	Correct	7 ms	324 KB	Output is correct
27	Correct	7 ms	320 KB	Output is correct
28	Correct	10 ms	328 KB	Output is correct
29	Correct	6 ms	320 KB	Output is correct
30	Correct	6 ms	328 KB	Output is correct
31	Correct	7 ms	212 KB	Output is correct
32	Correct	8 ms	320 KB	Output is correct
33	Correct	9 ms	212 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	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	1 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	1 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	11 ms	324 KB	Output is correct
15	Correct	12 ms	320 KB	Output is correct
16	Correct	11 ms	212 KB	Output is correct
17	Correct	10 ms	324 KB	Output is correct
18	Correct	7 ms	212 KB	Output is correct
19	Correct	7 ms	212 KB	Output is correct
20	Correct	7 ms	320 KB	Output is correct
21	Correct	6 ms	212 KB	Output is correct
22	Correct	7 ms	212 KB	Output is correct
23	Correct	4 ms	212 KB	Output is correct
24	Correct	6 ms	212 KB	Output is correct
25	Correct	5 ms	212 KB	Output is correct
26	Correct	7 ms	324 KB	Output is correct
27	Correct	7 ms	320 KB	Output is correct
28	Correct	10 ms	328 KB	Output is correct
29	Correct	6 ms	320 KB	Output is correct
30	Correct	6 ms	328 KB	Output is correct
31	Correct	7 ms	212 KB	Output is correct
32	Correct	8 ms	320 KB	Output is correct
33	Correct	9 ms	212 KB	Output is correct
34	Correct	1571 ms	340 KB	Output is correct
35	Correct	1562 ms	340 KB	Output is correct
36	Correct	1508 ms	340 KB	Output is correct
37	Correct	1329 ms	344 KB	Output is correct
38	Correct	1160 ms	340 KB	Output is correct
39	Correct	1504 ms	340 KB	Output is correct
40	Correct	1117 ms	352 KB	Output is correct
41	Correct	1032 ms	340 KB	Output is correct
42	Correct	1463 ms	344 KB	Output is correct
43	Correct	1576 ms	340 KB	Output is correct
44	Correct	1185 ms	340 KB	Output is correct
45	Correct	1318 ms	344 KB	Output is correct
46	Correct	1448 ms	340 KB	Output is correct
47	Correct	1412 ms	352 KB	Output is correct
48	Correct	1692 ms	348 KB	Output is correct
49	Correct	1364 ms	340 KB	Output is correct
50	Correct	1512 ms	340 KB	Output is correct
51	Correct	1477 ms	340 KB	Output is correct
52	Correct	1558 ms	340 KB	Output is correct

Subtask #4
0.0 / 65.0

#	결과	실행 시간	메모리	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	1 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	1 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	11 ms	324 KB	Output is correct
15	Correct	12 ms	320 KB	Output is correct
16	Correct	11 ms	212 KB	Output is correct
17	Correct	10 ms	324 KB	Output is correct
18	Correct	7 ms	212 KB	Output is correct
19	Correct	7 ms	212 KB	Output is correct
20	Correct	7 ms	320 KB	Output is correct
21	Correct	6 ms	212 KB	Output is correct
22	Correct	7 ms	212 KB	Output is correct
23	Correct	4 ms	212 KB	Output is correct
24	Correct	6 ms	212 KB	Output is correct
25	Correct	5 ms	212 KB	Output is correct
26	Correct	7 ms	324 KB	Output is correct
27	Correct	7 ms	320 KB	Output is correct
28	Correct	10 ms	328 KB	Output is correct
29	Correct	6 ms	320 KB	Output is correct
30	Correct	6 ms	328 KB	Output is correct
31	Correct	7 ms	212 KB	Output is correct
32	Correct	8 ms	320 KB	Output is correct
33	Correct	9 ms	212 KB	Output is correct
34	Correct	1571 ms	340 KB	Output is correct
35	Correct	1562 ms	340 KB	Output is correct
36	Correct	1508 ms	340 KB	Output is correct
37	Correct	1329 ms	344 KB	Output is correct
38	Correct	1160 ms	340 KB	Output is correct
39	Correct	1504 ms	340 KB	Output is correct
40	Correct	1117 ms	352 KB	Output is correct
41	Correct	1032 ms	340 KB	Output is correct
42	Correct	1463 ms	344 KB	Output is correct
43	Correct	1576 ms	340 KB	Output is correct
44	Correct	1185 ms	340 KB	Output is correct
45	Correct	1318 ms	344 KB	Output is correct
46	Correct	1448 ms	340 KB	Output is correct
47	Correct	1412 ms	352 KB	Output is correct
48	Correct	1692 ms	348 KB	Output is correct
49	Correct	1364 ms	340 KB	Output is correct
50	Correct	1512 ms	340 KB	Output is correct
51	Correct	1477 ms	340 KB	Output is correct
52	Correct	1558 ms	340 KB	Output is correct
53	Execution timed out	2082 ms	2912 KB	Time limit exceeded
54	Halted	0 ms	0 KB	-

답안 #543311

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 21.0 / 21.0

Subtask #3 10.0 / 10.0

Subtask #4 0.0 / 65.0

Subtask #1
4.0 / 4.0

Subtask #2
21.0 / 21.0

Subtask #3
10.0 / 10.0

Subtask #4
0.0 / 65.0