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Submission #879297

# Submission time Handle Problem Language Result Execution time Memory
879297 2023-11-27T05:57:35 Z hasan2006 Examination (JOI19_examination) C++17
100 / 100
 931 ms 90776 KB 
#include <bits/stdc++.h>

using namespace std;

#define TL ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define rall(s) s.rbegin(),s.rend()
#define all(s) s.begin(),s.end()
#define pb push_back
#define se second
#define fi first
#define ll long long
#define ld long double
#define YES cout<<"YES\n"
#define Yes cout<<"Yes\n"
#define yes cout<<"yes\n"
#define NO cout<<"NO\n"
#define No cout<<"No\n"
#define no cout<<"no\n"


const int N = 6e5 + 9 , mod = 1e9 + 7;
ll   a[N] = {}, b[N] , c[N] , d[N][3] , dp[N];

ll nn = 0;

void add(int x , int y){
    while(x <= nn){
        d[x][y] += 1;
        x += (x & (-x));
    }
}

ll get(int x , int y){
    ll sum = 0;
    while(x > 0){
        sum += d[x][y];
        x -= (x & (-x));
    }
    return sum;
}

void solve()
{
    ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
    cin>>n>>m;
    set<int>st;
    map<int,int>mp;
    vector<pair<int,pair<int,int>>>v;
    vector<pair<int,int>>v1;
    for(i = 1; i <= n; i++){
        cin>>l>>r;
        st.insert(l);
        st.insert(r);
        st.insert(r + l);
        v.pb({l + r , {l , r}});
    }
    sort(rall(v));
    for(i = 1; i <= m; i++){
        cin>>a[i]>>b[i]>>c[i];
        v1.pb({c[i] , i});
        st.insert(b[i]);
        st.insert(a[i]);
        st.insert(b[i] + a[i]);
    }
    sort(rall(v1));
    for(auto it:st)
        mp[it] = ++nn;
    l = 0;
    vector<pair<int,int>>vc;
    for(auto to : v1){
        if(a[to.se] + b[to.se] < c[to.se]){
        while(l < v.size() && v[l].fi >= to.fi){
            add(mp[v[l].se.fi] , 1);
            add(mp[v[l].se.se] , 2);
            l++;
        }
        s = -l;
        s += l - get(mp[a[to.se]] - 1 , 1);
        s += l - get(mp[b[to.se]] - 1, 2);
        dp[to.se] = s;
        }else {
            vc.pb({b[to.se] , to.se});
        }
    }
    for(i = 0; i < v.size(); i++)
        swap(v[i].fi , v[i].se.se);
    sort(rall(vc));
    sort(rall(v));
    l = 0;
    for(auto to : vc){
        while(l < v.size() && v[l].fi >= to.fi){
            add(mp[v[l].se.fi] , 0);
            l++;
        }
        dp[to.se] = l - get(mp[a[to.se]] - 1 , 0);
    }
    for(i = 1; i <= m; i++)
        cout<<dp[i]<<"\n";
}

int main(){
int t = 1;
//cin>>t;
while(t--)
     {
     solve();
     }
}
// Author : حسن

Compilation message

examination.cpp: In function 'void solve()':
examination.cpp:72:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |         while(l < v.size() && v[l].fi >= to.fi){
      |               ~~^~~~~~~~~~
examination.cpp:85:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |     for(i = 0; i < v.size(); i++)
      |                ~~^~~~~~~~~~
examination.cpp:91:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |         while(l < v.size() && v[l].fi >= to.fi){
      |               ~~^~~~~~~~~~
examination.cpp:44:8: warning: unused variable 'q' [-Wunused-variable]
   44 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |        ^
examination.cpp:44:16: warning: unused variable 'j' [-Wunused-variable]
   44 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                ^
examination.cpp:44:26: warning: unused variable 'z' [-Wunused-variable]
   44 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                          ^
examination.cpp:44:37: warning: unused variable 'f' [-Wunused-variable]
   44 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                     ^
examination.cpp:44:48: warning: unused variable 'k' [-Wunused-variable]
   44 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                ^
examination.cpp:44:52: warning: unused variable 'x' [-Wunused-variable]
   44 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                    ^
examination.cpp:44:56: warning: unused variable 'y' [-Wunused-variable]
   44 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                        ^
examination.cpp:44:60: warning: unused variable 'mn' [-Wunused-variable]
   44 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                            ^~
examination.cpp:44:73: warning: unused variable 'mx' [-Wunused-variable]
   44 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                                         ^~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 2 ms 6488 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 13 ms 8936 KB Output is correct
8 Correct 13 ms 8796 KB Output is correct
9 Correct 13 ms 8904 KB Output is correct
10 Correct 10 ms 8028 KB Output is correct
11 Correct 9 ms 8032 KB Output is correct
12 Correct 5 ms 8676 KB Output is correct
13 Correct 12 ms 10588 KB Output is correct
14 Correct 11 ms 8796 KB Output is correct
15 Correct 11 ms 10584 KB Output is correct
16 Correct 8 ms 7516 KB Output is correct
17 Correct 8 ms 7624 KB Output is correct
18 Correct 4 ms 6748 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 309 ms 35432 KB Output is correct
2 Correct 306 ms 35084 KB Output is correct
3 Correct 316 ms 34988 KB Output is correct
4 Correct 226 ms 29324 KB Output is correct
5 Correct 186 ms 25436 KB Output is correct
6 Correct 94 ms 17792 KB Output is correct
7 Correct 302 ms 33200 KB Output is correct
8 Correct 286 ms 33668 KB Output is correct
9 Correct 274 ms 32888 KB Output is correct
10 Correct 170 ms 24584 KB Output is correct
11 Correct 193 ms 26628 KB Output is correct
12 Correct 81 ms 15552 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 309 ms 35432 KB Output is correct
2 Correct 306 ms 35084 KB Output is correct
3 Correct 316 ms 34988 KB Output is correct
4 Correct 226 ms 29324 KB Output is correct
5 Correct 186 ms 25436 KB Output is correct
6 Correct 94 ms 17792 KB Output is correct
7 Correct 302 ms 33200 KB Output is correct
8 Correct 286 ms 33668 KB Output is correct
9 Correct 274 ms 32888 KB Output is correct
10 Correct 170 ms 24584 KB Output is correct
11 Correct 193 ms 26628 KB Output is correct
12 Correct 81 ms 15552 KB Output is correct
13 Correct 365 ms 33028 KB Output is correct
14 Correct 361 ms 35736 KB Output is correct
15 Correct 300 ms 35416 KB Output is correct
16 Correct 249 ms 28796 KB Output is correct
17 Correct 229 ms 28680 KB Output is correct
18 Correct 102 ms 17812 KB Output is correct
19 Correct 397 ms 32952 KB Output is correct
20 Correct 365 ms 34820 KB Output is correct
21 Correct 361 ms 32088 KB Output is correct
22 Correct 170 ms 26632 KB Output is correct
23 Correct 204 ms 26632 KB Output is correct
24 Correct 84 ms 15484 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 2 ms 6488 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 13 ms 8936 KB Output is correct
8 Correct 13 ms 8796 KB Output is correct
9 Correct 13 ms 8904 KB Output is correct
10 Correct 10 ms 8028 KB Output is correct
11 Correct 9 ms 8032 KB Output is correct
12 Correct 5 ms 8676 KB Output is correct
13 Correct 12 ms 10588 KB Output is correct
14 Correct 11 ms 8796 KB Output is correct
15 Correct 11 ms 10584 KB Output is correct
16 Correct 8 ms 7516 KB Output is correct
17 Correct 8 ms 7624 KB Output is correct
18 Correct 4 ms 6748 KB Output is correct
19 Correct 309 ms 35432 KB Output is correct
20 Correct 306 ms 35084 KB Output is correct
21 Correct 316 ms 34988 KB Output is correct
22 Correct 226 ms 29324 KB Output is correct
23 Correct 186 ms 25436 KB Output is correct
24 Correct 94 ms 17792 KB Output is correct
25 Correct 302 ms 33200 KB Output is correct
26 Correct 286 ms 33668 KB Output is correct
27 Correct 274 ms 32888 KB Output is correct
28 Correct 170 ms 24584 KB Output is correct
29 Correct 193 ms 26628 KB Output is correct
30 Correct 81 ms 15552 KB Output is correct
31 Correct 365 ms 33028 KB Output is correct
32 Correct 361 ms 35736 KB Output is correct
33 Correct 300 ms 35416 KB Output is correct
34 Correct 249 ms 28796 KB Output is correct
35 Correct 229 ms 28680 KB Output is correct
36 Correct 102 ms 17812 KB Output is correct
37 Correct 397 ms 32952 KB Output is correct
38 Correct 365 ms 34820 KB Output is correct
39 Correct 361 ms 32088 KB Output is correct
40 Correct 170 ms 26632 KB Output is correct
41 Correct 204 ms 26632 KB Output is correct
42 Correct 84 ms 15484 KB Output is correct
43 Correct 922 ms 87300 KB Output is correct
44 Correct 931 ms 89344 KB Output is correct
45 Correct 889 ms 90776 KB Output is correct
46 Correct 472 ms 63492 KB Output is correct
47 Correct 399 ms 62976 KB Output is correct
48 Correct 99 ms 15180 KB Output is correct
49 Correct 882 ms 89720 KB Output is correct
50 Correct 918 ms 87716 KB Output is correct
51 Correct 808 ms 88864 KB Output is correct
52 Correct 317 ms 49152 KB Output is correct
53 Correct 293 ms 46876 KB Output is correct