QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#840002#8712. Flooding Wallzhassyn#0 220ms7804kbC++201.5kb2025-01-02 14:05:512025-01-02 14:05:51

Judging History

This is the latest submission verdict.

  • [2025-01-02 14:05:51]
  • Judged
  • Verdict: 0
  • Time: 220ms
  • Memory: 7804kb
  • [2025-01-02 14:05:51]
  • Submitted

answer

#include <bits/stdc++.h>
#define pb push_back
#define pf push_front
using namespace std;
#define F first
#define S second
typedef long long ll;
#define pii pair <int, int>
#define pll pair <ll, ll>
typedef long double ld;
const ll N = 2 * 1e5 + 100, M = 4096 + 10, len = 315, inf = 1e18;
const ll mod = 1e9 + 7;
ll um(ll a, ll b){
	return (1LL * a * b) % mod;
}
ll subr(ll a, ll b){
	return ((1LL * a - b) % mod + mod) % mod;
}
ll a[N], b[N], num[N];
int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	cout.tie(nullptr);
	int n;
	cin >> n;
	for(ll i = 0; i < n; i++){
		cin >> a[i];
	}
	for(ll i = 0; i < n; i++){
		cin >> b[i];
	}
	ll ans = 0;
	for(ll mask = 0; mask < (1 << n); mask++){
		for(ll dig = 0; dig < n; dig++){
			if((mask & (1 << dig)) > 0) num[dig] = a[dig];
			else num[dig] = b[dig];
		}
		vector <pll> vec;
		// for(ll i = 0; i < n; i++){
			// cout << num[i] << " ";
		// }
		// cout << endl;
		for(ll i = 0; i < n; i++){
			ll res = 0, last = -1, cnt = 0;
			while((ll)vec.size() != 0){
				pll v = vec.back();
				if(v.F <= num[i]){
					cnt += v.S;
					last = v.F;
					res += (num[i] - v.F) * v.S;
					vec.pop_back();
				} else break;
			}
			if((ll)vec.size() != 0){
				//cout << res << " "<< cnt << " P\n";
				ans += res;
			} else{
				//cout << res << " " << cnt << " "<< last << endl;
				ans = ans + res - cnt * (num[i] - last);
			}
			vec.pb({num[i], cnt + 1});
		}
		//cout << ans << " HERE\n";
	}
	cout << ans;
  return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 8
Accepted
time: 1ms
memory: 5580kb

input:

4
1 1 1 1
2 2 2 2

output:

6

result:

ok single line: '6'

Test #2:

score: 8
Accepted
time: 1ms
memory: 5776kb

input:

10
1 2 3 4 5 6 7 8 9 10
10 9 8 7 6 5 4 3 2 1

output:

21116

result:

ok single line: '21116'

Test #3:

score: 8
Accepted
time: 0ms
memory: 7664kb

input:

1
1
2

output:

0

result:

ok single line: '0'

Test #4:

score: 8
Accepted
time: 1ms
memory: 5576kb

input:

2
1 1
2 2

output:

0

result:

ok single line: '0'

Test #5:

score: 8
Accepted
time: 1ms
memory: 5788kb

input:

3
1 1 1
2 2 2

output:

1

result:

ok single line: '1'

Test #6:

score: 8
Accepted
time: 1ms
memory: 5512kb

input:

3
1 1 1
3 2 3

output:

3

result:

ok single line: '3'

Test #7:

score: 8
Accepted
time: 1ms
memory: 5572kb

input:

3
2 1 1
3 2 3

output:

4

result:

ok single line: '4'

Test #8:

score: 8
Accepted
time: 1ms
memory: 5596kb

input:

3
1 1 2
3 2 3

output:

4

result:

ok single line: '4'

Test #9:

score: 8
Accepted
time: 1ms
memory: 5828kb

input:

4
1 1 2 2
2 2 1 1

output:

6

result:

ok single line: '6'

Test #10:

score: 8
Accepted
time: 1ms
memory: 5628kb

input:

3
1 4 4
3 1 1

output:

2

result:

ok single line: '2'

Test #11:

score: 0
Wrong Answer
time: 220ms
memory: 5628kb

input:

20
801072306 297281669 94099424 745640358 822582129 579751930 776707816 425952653 529794053 256263083 615445445 401366545 990263003 967996508 788867983 916880116 837997768 346996508 623409388 122077161
141734988 448434751 822901346 825591177 388082644 468025968 260356829 1164654 537396602 730502935 ...

output:

4670350873680640

result:

wrong answer 1st lines differ - expected: '840988190', found: '4670350873680640'

Subtask #2:

score: 0
Wrong Answer

Test #23:

score: 0
Wrong Answer
time: 0ms
memory: 7804kb

input:

100
948 425 211 688 416 81 356 602 712 954 117 522 797 75 281 491 662 669 78 156 939 526 929 937 916 619 166 777 48 898 449 278 298 714 668 755 679 38 389 602 195 135 672 833 655 541 473 27 596 274 351 353 598 993 837 246 950 99 179 751 481 843 550 195 964 279 806 82 330 599 124 756 649 838 513 625 ...

output:

736898

result:

wrong answer 1st lines differ - expected: '164439470', found: '736898'

Subtask #3:

score: 0
Skipped

Dependency #2:

0%

Subtask #4:

score: 0
Skipped

Dependency #1:

0%

Subtask #5:

score: 0
Runtime Error

Test #57:

score: 0
Runtime Error

input:

500000
1 1 1 1 2 2 2 1 1 1 1 1 2 2 1 1 2 2 2 2 1 2 1 1 2 1 1 1 1 2 1 2 2 1 1 2 2 2 1 1 2 2 2 2 1 2 2 2 2 1 2 2 2 1 2 2 2 1 2 2 2 2 2 2 2 2 1 1 2 1 2 1 2 2 1 2 2 2 2 2 2 2 1 1 1 2 2 2 1 1 2 1 2 2 1 2 2 1 2 2 2 1 2 2 2 2 2 2 2 2 1 1 1 2 1 2 1 1 2 1 2 1 2 2 1 1 2 1 1 1 1 1 2 2 2 2 2 2 1 2 2 1 1 2 1 2 1...

output:


result:


Subtask #6:

score: 0
Skipped

Dependency #1:

0%