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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#766254#7523. Partially Free Mealucup-team4352WA 246ms49236kbC++232.8kb2024-11-20 16:45:202024-11-20 16:45:21

Judging History

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  • [2024-11-20 16:45:21]
  • 评测
  • 测评结果:WA
  • 用时:246ms
  • 内存:49236kb
  • [2024-11-20 16:45:20]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxn=2e5+5;
int n,pos[maxn],loc[maxn];
struct Data{
	int x,y;
}a[maxn];
int b[maxn],c[maxn];
bool comp(Data A,Data B) {
	if(A.y==B.y) return A.x>B.x;
	return A.y<B.y;
}
int cnt,sum[maxn*60],L[maxn*60],R[maxn*60];
void update(int rt,int l,int r,int x) {
	sum[rt]++;
	if(l==r) return;
	int mid=l+r>>1;
	if(x<=mid) {
		if(!L[rt]) L[rt]=++cnt;
		update(L[rt],l,mid,x);
	}
	else {
		if(!R[rt]) R[rt]=++cnt;
		update(R[rt],mid+1,r,x);
	}
}
int query(int rt,int l,int r,int x) {
	if(x>=r) return sum[rt];
	int mid=l+r>>1;
	if(x<=mid) {
		int res=0;
		if(L[rt]) res=query(L[rt],l,mid,x);
		return res;
	}
	else {
		int res=0;
		if(L[rt]) res+=sum[L[rt]];
		if(R[rt]) res+=query(R[rt],mid+1,r,x);
		return res;
	}
}
ll res;
struct Node{
	int js[maxn<<2];
	ll sum[maxn<<2];
	void update(int rt,int l,int r,int p) {
		js[rt]++;
		sum[rt]+=b[p];
		if(l==r) return;
		int mid=l+r>>1;
		if(p<=mid) update(rt<<1,l,mid,p);
		else update(rt<<1|1,mid+1,r,p);
	}
	void query(int rt,int l,int r,int p) {
		if(!p) return;
		if(l==r) {
			res+=(ll)p*b[l];
			return;
		}
		int mid=l+r>>1;
		if(js[rt<<1]<=p) {
			res+=sum[rt<<1];
			query(rt<<1|1,mid+1,r,p-js[rt<<1]);
		}
		else query(rt<<1,l,mid,p);
	}
}T;
#define pii pair<int,int>
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin>>n;
	for(int i=1;i<=n;++i) cin>>a[i].x>>a[i].y,b[i]=a[i].x;
	sort(a+1,a+1+n,comp);
	sort(b+1,b+1+n);
	int m=unique(b+1,b+1+n)-b-1;
	for(int i=1;i<=n;++i) c[i]=lower_bound(b+1,b+1+m,a[i].x)-b;
	pos[1]=1;
	update(0,0,2e9,a[1].x);
	loc[1]=1;
	vector<pii>st;
	st.push_back({1,1});
	for(int i=2;i<=n;++i) {
		while(!st.empty()){
			int pos=query(0,0,2e9,a[i].x+a[i].y-a[st.back().first].y)+1;
			if(pos>st.back().second)break;
			st.pop_back();
		}
		if(st.empty())st.push_back({i,1});
		else{
			st.push_back({i,min(query(0,0,2e9,a[i].x+a[i].y-a[st.back().first].y)+1,st.back().first+1)});
		}
		update(0,0,2e9,a[i].x);
	}
	for(auto u:st){
		loc[u.second]=u.first;
	}
	int now=1; 
	for(int i=1;i<=n;i++){
		loc[i]=max(loc[i],loc[i-1]);
		// cout<<a[loc[i]].y<<"\n";
		//k=i的答案为,maxb取b[loc[i]]时的前k大的sum 
		while(now<loc[i]) {
			T.update(1,1,m,c[now]);
			now++;
		}
		res=(ll)a[loc[i]].x+a[loc[i]].y;
		T.query(1,1,m,i-1);
		cout<<res<<'\n';
	}
	return 0;
}
/*
20
8 22188
12 18475
3 8570
12 9335
1 24723
13 13613
5 4993
15 25931
4 25939
6 24950
5 23023
14 20460
11 26026
6 17594
14 8982
12 17967
5 6939
2 30096
1 21322
10 12301


8
1 2741
8 21767
15 6262
1 10427
12 466
4 32333
14 24830
5 21820

4998
6949
8583
9009
9374
12350
13675
17662
18047
18567
20566
21429
22303
23143
24844
25077
25092
26085
26183
30255
*/

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 13768kb

input:

3
2 5
4 3
3 7

output:

7
11
16

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 246ms
memory: 49236kb

input:

200000
466436993 804989151
660995237 756645598
432103296 703610564
6889895 53276988
873617076 822481192
532911431 126844295
623111499 456772252
937464699 762157133
708503076 786039753
78556972 5436013
582960979 398984169
786333369 325119902
930705057 615928139
924915828 506145001
164984329 208212435...

output:

1318594
3208018
9439868
16561582
41100150
67812131
13751811
16969221
20474954
24404868
30390740
36622590
43744304
52122619
61331022
71110873
81076105
91822932
102671939
114109633
126854884
140055155
153878110
168512754
183849441
200112397
216554901
233273492
250324248
267805405
285348393
303023210
3...

result:

wrong answer 3rd lines differ - expected: '5570526', found: '9439868'