CSES - Siperia opettaa 2.0

Submission details
Task:	Greedy Game
Sender:	zxc
Submission time:	2016-07-28 15:53:16 +0300
Language:	C++
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	100

Test results
test	verdict	time
#1	ACCEPTED	0.05 s	details
#2	ACCEPTED	0.05 s	details
#3	ACCEPTED	0.04 s	details
#4	ACCEPTED	0.05 s	details
#5	ACCEPTED	0.04 s	details
#6	ACCEPTED	0.04 s	details
#7	ACCEPTED	0.05 s	details
#8	ACCEPTED	0.04 s	details
#9	ACCEPTED	0.04 s	details
#10	ACCEPTED	0.03 s	details
#11	ACCEPTED	0.04 s	details
#12	ACCEPTED	0.05 s	details
#13	ACCEPTED	0.05 s	details
#14	ACCEPTED	0.16 s	details
#15	ACCEPTED	0.17 s	details
#16	ACCEPTED	0.16 s	details
#17	ACCEPTED	0.17 s	details
#18	ACCEPTED	0.19 s	details
#19	ACCEPTED	0.25 s	details
#20	ACCEPTED	0.22 s	details
#21	ACCEPTED	0.23 s	details
#22	ACCEPTED	0.23 s	details
#23	ACCEPTED	0.26 s	details
#24	ACCEPTED	0.18 s	details
#25	ACCEPTED	0.22 s	details
#26	ACCEPTED	0.17 s	details
#27	ACCEPTED	0.23 s	details
#28	ACCEPTED	0.19 s	details
#29	ACCEPTED	0.18 s	details
#30	ACCEPTED	0.17 s	details

Code

#include <bits/stdc++.h>
#define F first
#define S second
using namespace std;
typedef long long ll;
const ll MN = 1e5+100;
const ll N = 1<<17;
pair<ll, pair<ll, ll> > t[MN];
pair<ll, pair<ll, ll> > b[MN];
ll st[2*N];
ll sisu[2*N];
ll getMin(ll k, ll l, ll r, ll x, ll y) {
    if(l > y || r < x) return 1e9;
    if(l >= x && r <= y) {
	return st[k];
    }
    ll mid = (l+r)/2;
    ll q = getMin(k*2, l, mid, x, y);
    ll w = getMin(k*2+1, mid+1, r, x, y);
    return min(q, w) + sisu[k];
}
ll add(ll k, ll l, ll r, ll x, ll y, ll v) {
    if(l > y || r < x) return st[k];
    if(l >= x && r <= y) {
	sisu[k] += v;
	st[k] += v;
	return st[k];
    }
    ll mid = (l+r)/2;
    ll q = add(k*2, l, mid, x, y, v);
    ll w = add(k*2+1, mid+1, r, x, y, v);
    return st[k] = min(q, w) + sisu[k];
}
ll st2[2*N];
ll getSum(int a, int b) {
    a += N; b += N;
    ll sum = 0;
    for(; a <= b; a/=2, b/=2) {
	if(a&1) sum += st2[a++];
	if(~b&1) sum += st2[b--];
    }
    return sum;
}
void addValue(int a, int v) {
    a += N;
    for(; a; a/=2) {
	st2[a] += v;
    }
}
ll pos[MN];
int main() {
    ll n;
    cin>>n;
    for(ll i = 0; i< n; ++i) {
	cin>>t[i].F;
	t[i].S.S = i;
    }
    for(int i = 0; i < n; ++i) {
	cin>>b[i].F;
	t[i].S.F  = b[i].F;
	b[i].S.S = i;
    }
    sort(t, t+n);
    for(ll i = 0; i < n; ++i) {
	pos[t[i].S.S] = i;
    }
    for(int i = 0; i < n; ++i) {
	b[i].S.F = -pos[b[i].S.S];
    }
    for(int i = 0; i < 2*N; ++i) {
	st[i] = 1e9;
    }
    sort(b, b+n);
    long long ans = 0;
    for(ll i = n-1; i >= 0; --i) {
	//ll x = pos[b[i].S];
	ll x = -b[i].S.F;
	//cout<<x<<' '<<b[i].F<<' '<<b[i].S<<'\n';
	int q = getSum(x+1, N-1);
	if(getMin(1, 0, N-1,0, x-1) != 0 && (q)*2 < (n-x-1)) {
	    add(1, 0, N-1, 0, x-1, -1);
	    int jalj = (n-x-2-2*q)/2;
	    //cout<<"hei "<<b[i].F<<' '<<q<<' '<<jalj<<'\n';
	    ll q = getMin(1, 0, N-1, x, x);
	    add(1, 0, N-1, x, x, -q+jalj);
	    addValue(x, 1);
	    ans += b[i].F;
	}
    }
    cout<<ans<<'\n';
}

Test details

Test 1

Verdict: ACCEPTED

input
`5 1 2 3 4 5 2 3 4 5 6` view save

correct output
`8` view save

user output
`8` view save

Test 2

Verdict: ACCEPTED

input
`10 1 1 1 1 1 1 1 1 1 1 2 3 9 5 6 6 1 2 3 4` view save

correct output
`17` view save

user output
`17` view save

Test 3

Verdict: ACCEPTED

input
`15 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

correct output
`7` view save

user output
`7` view save

Test 4

Verdict: ACCEPTED

input
`15 2 4 2 8 6 6 5 6 4 10 9 3 10 7 ...` view save

correct output
`60` view save

user output
`60` view save

Test 5

Verdict: ACCEPTED

input
`15 3 8 6 9 1 5 1 9 3 10 1 10 9 8 ...` view save

correct output
`47` view save

user output
`47` view save

Test 6

Verdict: ACCEPTED

input
`15 2 6 4 9 8 3 8 7 1 8 8 7 5 6 8 7 6 4 9 3 8 9 5 3 10 2 2 4 6 3` view save

correct output
`46` view save

user output
`46` view save

Test 7

Verdict: ACCEPTED

input
`15 7 10 8 8 6 10 5 1 7 3 9 4 7 9 ...` view save

correct output
`56` view save

user output
`56` view save

Test 8

Verdict: ACCEPTED

input
`15 9 8 7 7 4 6 4 10 3 7 5 9 5 9 5 3 6 7 2 9 8 3 3 7 5 6 7 9 3 8` view save

correct output
`55` view save

user output
`55` view save

Test 9

Verdict: ACCEPTED

input
`15 684567283 992849846 97315816 3...` view save

correct output
`5346487014` view save

user output
`5346487014` view save

Test 10

Verdict: ACCEPTED

input
`15 220108915 735849670 3920201 84...` view save

correct output
`4369763599` view save

user output
`4369763599` view save

Test 11

Verdict: ACCEPTED

input
`15 428748595 949568430 413698361 ...` view save

correct output
`5262225140` view save

user output
`5262225140` view save

Test 12

Verdict: ACCEPTED

input
`15 310486323 634006126 326650297 ...` view save

correct output
`5825473032` view save

user output
`5825473032` view save

Test 13

Verdict: ACCEPTED

input
`15 865322099 789162758 742776009 ...` view save

correct output
`5028684388` view save

user output
`5028684388` view save

Test 14

Verdict: ACCEPTED

input
`100000 1 5 7 1 6 8 1 7 9 2 7 7 6 1 8 ...` view save

correct output
`387044` view save

user output
`387044` view save

Test 15

Verdict: ACCEPTED

input
`100000 10 6 1 4 1 8 5 4 8 10 5 8 7 5 ...` view save

correct output
`388046` view save

user output
`388046` view save

Test 16

Verdict: ACCEPTED

input
`100000 6 1 1 6 7 8 10 6 7 6 8 7 6 5 3...` view save

correct output
`387631` view save

user output
`387631` view save

Test 17

Verdict: ACCEPTED

input
`100000 9 2 5 7 5 8 5 3 4 10 5 6 10 2 ...` view save

correct output
`387600` view save

user output
`387600` view save

Test 18

Verdict: ACCEPTED

input
`100000 8 7 4 7 3 6 2 6 1 2 7 5 1 5 5 ...` view save

correct output
`387928` view save

user output
`387928` view save

Test 19

Verdict: ACCEPTED

input
`100000 329395763 605200206 806179577 ...` view save

correct output
`37487670627833` view save

user output
`37487670627833` view save

Test 20

Verdict: ACCEPTED

input
`100000 595917875 55389390 744521721 4...` view save

correct output
`37446270419509` view save

user output
`37446270419509` view save

Test 21

Verdict: ACCEPTED

input
`100000 535538034 976297510 186037641 ...` view save

correct output
`37452666188784` view save

user output
`37452666188784` view save

Test 22

Verdict: ACCEPTED

input
`100000 148256243 367924566 130727336 ...` view save

correct output
`37441139105851` view save

user output
`37441139105851` view save

Test 23

Verdict: ACCEPTED

input
`100000 434072499 230270558 578590809 ...` view save

correct output
`37528719082827` view save

user output
`37528719082827` view save

Test 24

Verdict: ACCEPTED

input
`100000 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

correct output
`375239` view save

user output
`375239` view save

Test 25

Verdict: ACCEPTED

input
`100000 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

correct output
`37477679133533` view save

user output
`37477679133533` view save

Test 26

Verdict: ACCEPTED

input
`100000 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

correct output
`375514` view save

user output
`375514` view save

Test 27

Verdict: ACCEPTED

input
`100000 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

correct output
`37505905982098` view save

user output
`37505905982098` view save

Test 28

Verdict: ACCEPTED

input
`100000 100000 100000 100000 100000 10...` view save

correct output
`5000000000` view save

user output
`5000000000` view save

Test 29

Verdict: ACCEPTED

input
`100000 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

correct output
`2500000000` view save

user output
`2500000000` view save

Test 30

Verdict: ACCEPTED

input
`100000 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

correct output
`3750025000` view save

user output
`3750025000` view save

Siperia opettaa 2.0

Greedy Game

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Tasks

Submissions (zxc)