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Submission #1117024

# Submission time Handle Problem Language Result Execution time Memory
1117024 2024-11-22T18:44:37 Z Newtonabc Examination (JOI19_examination) C++14
100 / 100
 742 ms 69828 KB 
#include<bits/stdc++.h>
using namespace std;
const int N=1e5+10;
const int M=4e6;
int b[N],sum[N],cnt=0,froot[N],sroot[N];
pair<int,int> arr[N];
struct{
    int l,r;
    long long val;
}s[M];
int clone(int x){s[++cnt]=s[x]; return cnt;}
struct persist{
    int build(int l,int r,int idx){
        if(l==r){
            s[idx]={0,0,0};
            return idx;
        }
        int m=(l+r)/2;
        s[idx].l=build(l,m,++cnt);
        s[idx].r=build(m+1,r,++cnt);
        s[idx].val=s[s[idx].l].val+s[s[idx].r].val;
        return idx;
    }
    int update(int l,int r,int idx,int a,int b){
        int now=clone(idx);
        if(l==r){
            s[now].val+=b;
            return now;
        }
        int m=(l+r)/2;
        if(a<=m) s[now].l=update(l,m,s[idx].l,a,b);
        else s[now].r=update(m+1,r,s[idx].r,a,b);
        s[now].val=s[s[now].l].val+s[s[now].r].val;
        return now;
    }
    int query(int l,int r,int idx,int a,int b){
        if(a>r || b<l) return 0;
        if(a<=l && b>=r) return s[idx].val;
        int m=(l+r)/2;
        return query(l,m,s[idx].l,a,b)+query(m+1,r,s[idx].r,a,b);
    }
}ftree,stree;

int main(){
    int n,q;
    cin>>n >>q;
    for(int i=1;i<=n;i++){
        cin>>arr[i].first >>arr[i].second;
        b[i]=arr[i].second;
        sum[i]=arr[i].first+arr[i].second;
    }
    sort(arr+1,arr+n+1);
    sort(b+1,b+n+1);
    sort(sum+1,sum+n+1);
    froot[0]=ftree.build(1,n,++cnt);
    sroot[0]=stree.build(1,n,++cnt);
    for(int i=1;i<=n;i++){
        int tb=lower_bound(b+1,b+n+1,arr[i].second)-b;
        int ts=lower_bound(sum+1,sum+n+1,arr[i].first+arr[i].second)-sum;
        froot[i]=ftree.update(1,n,froot[i-1],tb,1);
        sroot[i]=stree.update(1,n,sroot[i-1],ts,1);
    }
    while(q--){
        int x,y,z,ans=0;
        cin>>x >>y >>z;
        int ta=lower_bound(arr+1,arr+n+1,make_pair(x,0))-arr;
        int md=lower_bound(arr+ta,arr+n+1,make_pair(z-y,0))-arr;
        int fb=lower_bound(b+1,b+n+1,y)-b;
        int fs=lower_bound(sum+1,sum+n+1,z)-sum;

        ans+=ftree.query(1,n,froot[n],fb,n)-ftree.query(1,n,froot[md-1],fb,n);
        ans+=stree.query(1,n,sroot[md-1],fs,n)-stree.query(1,n,sroot[ta-1],fs,n);
        cout<<ans <<"\n";
    }
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4432 KB Output is correct
2 Correct 1 ms 4432 KB Output is correct
3 Correct 1 ms 4432 KB Output is correct
4 Correct 1 ms 4432 KB Output is correct
5 Correct 1 ms 4432 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 13 ms 4432 KB Output is correct
8 Correct 12 ms 4432 KB Output is correct
9 Correct 12 ms 4432 KB Output is correct
10 Correct 11 ms 4432 KB Output is correct
11 Correct 11 ms 4432 KB Output is correct
12 Correct 8 ms 4432 KB Output is correct
13 Correct 17 ms 4600 KB Output is correct
14 Correct 11 ms 4432 KB Output is correct
15 Correct 18 ms 4432 KB Output is correct
16 Correct 10 ms 4604 KB Output is correct
17 Correct 10 ms 4432 KB Output is correct
18 Correct 8 ms 4584 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 522 ms 64840 KB Output is correct
2 Correct 515 ms 67292 KB Output is correct
3 Correct 509 ms 67400 KB Output is correct
4 Correct 338 ms 66888 KB Output is correct
5 Correct 411 ms 66508 KB Output is correct
6 Correct 285 ms 66120 KB Output is correct
7 Correct 468 ms 67276 KB Output is correct
8 Correct 511 ms 67388 KB Output is correct
9 Correct 449 ms 67128 KB Output is correct
10 Correct 359 ms 66372 KB Output is correct
11 Correct 348 ms 67048 KB Output is correct
12 Correct 255 ms 66376 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 522 ms 64840 KB Output is correct
2 Correct 515 ms 67292 KB Output is correct
3 Correct 509 ms 67400 KB Output is correct
4 Correct 338 ms 66888 KB Output is correct
5 Correct 411 ms 66508 KB Output is correct
6 Correct 285 ms 66120 KB Output is correct
7 Correct 468 ms 67276 KB Output is correct
8 Correct 511 ms 67388 KB Output is correct
9 Correct 449 ms 67128 KB Output is correct
10 Correct 359 ms 66372 KB Output is correct
11 Correct 348 ms 67048 KB Output is correct
12 Correct 255 ms 66376 KB Output is correct
13 Correct 613 ms 67656 KB Output is correct
14 Correct 580 ms 67788 KB Output is correct
15 Correct 480 ms 67400 KB Output is correct
16 Correct 481 ms 67008 KB Output is correct
17 Correct 534 ms 67080 KB Output is correct
18 Correct 302 ms 66120 KB Output is correct
19 Correct 667 ms 67844 KB Output is correct
20 Correct 647 ms 67656 KB Output is correct
21 Correct 637 ms 67856 KB Output is correct
22 Correct 328 ms 66380 KB Output is correct
23 Correct 303 ms 66888 KB Output is correct
24 Correct 249 ms 66376 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4432 KB Output is correct
2 Correct 1 ms 4432 KB Output is correct
3 Correct 1 ms 4432 KB Output is correct
4 Correct 1 ms 4432 KB Output is correct
5 Correct 1 ms 4432 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 13 ms 4432 KB Output is correct
8 Correct 12 ms 4432 KB Output is correct
9 Correct 12 ms 4432 KB Output is correct
10 Correct 11 ms 4432 KB Output is correct
11 Correct 11 ms 4432 KB Output is correct
12 Correct 8 ms 4432 KB Output is correct
13 Correct 17 ms 4600 KB Output is correct
14 Correct 11 ms 4432 KB Output is correct
15 Correct 18 ms 4432 KB Output is correct
16 Correct 10 ms 4604 KB Output is correct
17 Correct 10 ms 4432 KB Output is correct
18 Correct 8 ms 4584 KB Output is correct
19 Correct 522 ms 64840 KB Output is correct
20 Correct 515 ms 67292 KB Output is correct
21 Correct 509 ms 67400 KB Output is correct
22 Correct 338 ms 66888 KB Output is correct
23 Correct 411 ms 66508 KB Output is correct
24 Correct 285 ms 66120 KB Output is correct
25 Correct 468 ms 67276 KB Output is correct
26 Correct 511 ms 67388 KB Output is correct
27 Correct 449 ms 67128 KB Output is correct
28 Correct 359 ms 66372 KB Output is correct
29 Correct 348 ms 67048 KB Output is correct
30 Correct 255 ms 66376 KB Output is correct
31 Correct 613 ms 67656 KB Output is correct
32 Correct 580 ms 67788 KB Output is correct
33 Correct 480 ms 67400 KB Output is correct
34 Correct 481 ms 67008 KB Output is correct
35 Correct 534 ms 67080 KB Output is correct
36 Correct 302 ms 66120 KB Output is correct
37 Correct 667 ms 67844 KB Output is correct
38 Correct 647 ms 67656 KB Output is correct
39 Correct 637 ms 67856 KB Output is correct
40 Correct 328 ms 66380 KB Output is correct
41 Correct 303 ms 66888 KB Output is correct
42 Correct 249 ms 66376 KB Output is correct
43 Correct 730 ms 69688 KB Output is correct
44 Correct 742 ms 69828 KB Output is correct
45 Correct 699 ms 69716 KB Output is correct
46 Correct 466 ms 68240 KB Output is correct
47 Correct 528 ms 68168 KB Output is correct
48 Correct 286 ms 65608 KB Output is correct
49 Correct 643 ms 69704 KB Output is correct
50 Correct 632 ms 69620 KB Output is correct
51 Correct 669 ms 69452 KB Output is correct
52 Correct 480 ms 67928 KB Output is correct
53 Correct 332 ms 67656 KB Output is correct