oj.uz

Submission #839398

# Submission time Handle Problem Language Result Execution time Memory
839398 2023-08-30T01:11:26 Z vjudge1 Examination (JOI19_examination) C++17
100 / 100
 380 ms 11964 KB 
// Judges with GCC >= 12 only needs Ofast
// #pragma GCC optimize("O3,no-stack-protector,fast-math,unroll-loops,tree-vectorize")
// MLE optimization
// #pragma GCC optimize("conserve-stack")
// Old judges
// #pragma GCC target("sse4.2,popcnt,lzcnt,abm,mmx,fma,bmi,bmi2")
// New judges. Test with assert(__builtin_cpu_supports("avx2"));
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
// Atcoder
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma")
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
- insert(x),erase(x)
- find_by_order(k): return iterator to the k-th smallest element
- order_of_key(x): the number of elements that are strictly smaller
*/
#include<bits/stdc++.h>
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
uniform_real_distribution<> pp(0.0,1.0);
//#define int long long
#define ld long double
#define pii pair<int,int>
#define piii pair<pii,pii>
#define mpp make_pair
#define fi first
#define se second
//const int inf=1e18;
const int mod=1e9+7;
const int maxn=100005;
const int bl=650;
const int maxs=655;
const int maxm=200005;
const int maxq=500005;
const int maxl=20;
const int maxa=250000;
const int root=3;
/*
int power(int a,int n){
    int res=1;
    while(n){
        if(n&1) res=res*a%mod;
        a=a*a%mod;n>>=1;
    }
    return res;
}
const int iroot=power(3,mod-2);
*/
const int base=101;
 
int n,q,bit[2*maxn],ans[maxn];
 
int sz;
 
vector<piii> p;
 
bool cmp(piii a,piii b){
    return a.fi.se<b.fi.se;
}
void update(int x,int val){
    for(int i=x;i<=sz;i+=(i&(-i))) bit[i]+=val;
}
int query(int x){
    int res=0;
    for(int i=x;i>=1;i-=(i&(-i))) res+=bit[i];
    return res;
}
void dnc(int l,int r){
    if(l>=r-1) return;
    int mid=(l+r)>>1;
    dnc(l,mid);dnc(mid,r);
    int cur=r-1;
    for(int i=mid-1;i>=l;i--){
        while(cur>=mid && p[cur].fi.se>=p[i].fi.se){
            if(p[cur].se.se==q+1) update(sz-p[cur].se.fi,1);
            cur--;
        }
        ans[p[i].se.se]+=query(sz-p[i].se.fi);
    }
    for(int i=cur+1;i<r;i++) if(p[i].se.se==q+1) update(sz-p[i].se.fi,-1);
    sort(p.begin()+l,p.begin()+r,cmp);
}
void solve(){
    cin >> n >> q;
    vector<int> com;
    for(int i=1;i<=n;i++){
        int s,t;cin >> s >> t;
        p.push_back({{s,t},{s+t,q+1}});
        com.push_back(s+t);
    }
    for(int i=1;i<=q;i++){
        int x,y,z;cin >> x >> y >> z;
        p.push_back({{x,y},{z,i}});
        com.push_back(z);
    }
    sort(com.begin(),com.end());
    com.erase(unique(com.begin(),com.end()),com.end());
    sz=(int)com.size();
    for(auto &x:p) x.se.fi=lower_bound(com.begin(),com.end(),x.se.fi)-com.begin();
    sort(p.begin(),p.end());
    dnc(0,(int)p.size());
    for(int i=1;i<=q;i++) cout << ans[i] << '\n';
}
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    int test=1;//cin >> test;
    while(test--) solve();
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 7 ms 724 KB Output is correct
8 Correct 7 ms 724 KB Output is correct
9 Correct 7 ms 724 KB Output is correct
10 Correct 6 ms 596 KB Output is correct
11 Correct 7 ms 596 KB Output is correct
12 Correct 4 ms 596 KB Output is correct
13 Correct 7 ms 724 KB Output is correct
14 Correct 7 ms 632 KB Output is correct
15 Correct 7 ms 756 KB Output is correct
16 Correct 5 ms 596 KB Output is correct
17 Correct 5 ms 596 KB Output is correct
18 Correct 3 ms 596 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 349 ms 8960 KB Output is correct
2 Correct 340 ms 8960 KB Output is correct
3 Correct 345 ms 8884 KB Output is correct
4 Correct 222 ms 8200 KB Output is correct
5 Correct 265 ms 8180 KB Output is correct
6 Correct 136 ms 7196 KB Output is correct
7 Correct 339 ms 8836 KB Output is correct
8 Correct 332 ms 8888 KB Output is correct
9 Correct 322 ms 8844 KB Output is correct
10 Correct 222 ms 8036 KB Output is correct
11 Correct 196 ms 8032 KB Output is correct
12 Correct 119 ms 6780 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 349 ms 8960 KB Output is correct
2 Correct 340 ms 8960 KB Output is correct
3 Correct 345 ms 8884 KB Output is correct
4 Correct 222 ms 8200 KB Output is correct
5 Correct 265 ms 8180 KB Output is correct
6 Correct 136 ms 7196 KB Output is correct
7 Correct 339 ms 8836 KB Output is correct
8 Correct 332 ms 8888 KB Output is correct
9 Correct 322 ms 8844 KB Output is correct
10 Correct 222 ms 8036 KB Output is correct
11 Correct 196 ms 8032 KB Output is correct
12 Correct 119 ms 6780 KB Output is correct
13 Correct 367 ms 9588 KB Output is correct
14 Correct 377 ms 9512 KB Output is correct
15 Correct 352 ms 8968 KB Output is correct
16 Correct 245 ms 8604 KB Output is correct
17 Correct 298 ms 8692 KB Output is correct
18 Correct 144 ms 7204 KB Output is correct
19 Correct 367 ms 9620 KB Output is correct
20 Correct 375 ms 9540 KB Output is correct
21 Correct 365 ms 9688 KB Output is correct
22 Correct 221 ms 8064 KB Output is correct
23 Correct 201 ms 7928 KB Output is correct
24 Correct 118 ms 6760 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 7 ms 724 KB Output is correct
8 Correct 7 ms 724 KB Output is correct
9 Correct 7 ms 724 KB Output is correct
10 Correct 6 ms 596 KB Output is correct
11 Correct 7 ms 596 KB Output is correct
12 Correct 4 ms 596 KB Output is correct
13 Correct 7 ms 724 KB Output is correct
14 Correct 7 ms 632 KB Output is correct
15 Correct 7 ms 756 KB Output is correct
16 Correct 5 ms 596 KB Output is correct
17 Correct 5 ms 596 KB Output is correct
18 Correct 3 ms 596 KB Output is correct
19 Correct 349 ms 8960 KB Output is correct
20 Correct 340 ms 8960 KB Output is correct
21 Correct 345 ms 8884 KB Output is correct
22 Correct 222 ms 8200 KB Output is correct
23 Correct 265 ms 8180 KB Output is correct
24 Correct 136 ms 7196 KB Output is correct
25 Correct 339 ms 8836 KB Output is correct
26 Correct 332 ms 8888 KB Output is correct
27 Correct 322 ms 8844 KB Output is correct
28 Correct 222 ms 8036 KB Output is correct
29 Correct 196 ms 8032 KB Output is correct
30 Correct 119 ms 6780 KB Output is correct
31 Correct 367 ms 9588 KB Output is correct
32 Correct 377 ms 9512 KB Output is correct
33 Correct 352 ms 8968 KB Output is correct
34 Correct 245 ms 8604 KB Output is correct
35 Correct 298 ms 8692 KB Output is correct
36 Correct 144 ms 7204 KB Output is correct
37 Correct 367 ms 9620 KB Output is correct
38 Correct 375 ms 9540 KB Output is correct
39 Correct 365 ms 9688 KB Output is correct
40 Correct 221 ms 8064 KB Output is correct
41 Correct 201 ms 7928 KB Output is correct
42 Correct 118 ms 6760 KB Output is correct
43 Correct 379 ms 11824 KB Output is correct
44 Correct 380 ms 11856 KB Output is correct
45 Correct 378 ms 11964 KB Output is correct
46 Correct 256 ms 10228 KB Output is correct
47 Correct 310 ms 10268 KB Output is correct
48 Correct 151 ms 7028 KB Output is correct
49 Correct 365 ms 11680 KB Output is correct
50 Correct 380 ms 11780 KB Output is correct
51 Correct 372 ms 11680 KB Output is correct
52 Correct 252 ms 10048 KB Output is correct
53 Correct 197 ms 8948 KB Output is correct