oj.uz

Submission #764618

# Submission time Handle Problem Language Result Execution time Memory
764618 2023-06-23T16:35:27 Z Ahmed57 Boat (APIO16_boat) C++17
31 / 100
 1277 ms 71224 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
long long z = 0;
long long bit[1000001];
long long mod = 1000000007;
void add(long long e,long long v){
    while(e<=z){
        bit[e]+=v;
        bit[e]%=mod;
        e+=(e&-e);
    }
}
long long sum(long long e){
    long long res = 0;
    while(e>=1){
        res+=bit[e];
        res%=mod;
        e-=(e&-e);
    }
    return res;
}
signed main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    map<long long,long long> comp,sav;
    vector<pair<long long,long long>> v;
    vector<long long> ans;
    for(int i = 0;i<n;i++){
        long long x,y;
        cin>>x>>y;
        v.push_back({x,y});
        for(int i = x-250;i<=x+250;i++){
            ans.push_back(i);
        }
        for(int i = y-250;i<=y+250;i++){
            ans.push_back(i);
        }
    }
    sort(ans.begin(),ans.end());
    vector<pair<long long,long long>> all[n];
    for(int i = 0;i<v.size();i++){
        long long st = v[i].first;
        while(st<=v[i].second){
            int it = lower_bound(ans.begin(),ans.end(),st+1)-ans.begin();
            all[i].push_back({st,ans[it]-1});
            comp[st]++;comp[ans[it]-1]++;
            st = ans[it];
        }
    }
    for(auto i:comp){
        sav[i.first] = ++z;
    }
    long long fin = 0;
    for(int i = n-1;i>=0;i--){
        for(auto j:all[i]){
            long long val = (((sum(z)-sum(sav[j.second])+1)%mod)+mod)%mod;
            long long sz = (val*((j.second-j.first+1)%mod))%mod;
            fin+=sz;fin%=mod;
            add(sav[j.first],sz);
        }
    }
    cout<<fin<<endl;
}

Compilation message

boat.cpp: In function 'int main()':
boat.cpp:43:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for(int i = 0;i<v.size();i++){
      |                   ~^~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 4544 KB Output is correct
2 Correct 19 ms 4556 KB Output is correct
3 Correct 18 ms 4556 KB Output is correct
4 Correct 19 ms 4556 KB Output is correct
5 Correct 19 ms 4556 KB Output is correct
6 Correct 15 ms 4556 KB Output is correct
7 Correct 17 ms 4556 KB Output is correct
8 Correct 15 ms 4556 KB Output is correct
9 Correct 16 ms 4556 KB Output is correct
10 Correct 15 ms 4556 KB Output is correct
11 Correct 15 ms 4556 KB Output is correct
12 Correct 15 ms 4556 KB Output is correct
13 Correct 16 ms 4556 KB Output is correct
14 Correct 15 ms 4556 KB Output is correct
15 Correct 16 ms 4556 KB Output is correct
16 Correct 19 ms 4556 KB Output is correct
17 Correct 19 ms 4556 KB Output is correct
18 Correct 19 ms 4556 KB Output is correct
19 Correct 19 ms 4556 KB Output is correct
20 Correct 19 ms 4556 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 4544 KB Output is correct
2 Correct 19 ms 4556 KB Output is correct
3 Correct 18 ms 4556 KB Output is correct
4 Correct 19 ms 4556 KB Output is correct
5 Correct 19 ms 4556 KB Output is correct
6 Correct 15 ms 4556 KB Output is correct
7 Correct 17 ms 4556 KB Output is correct
8 Correct 15 ms 4556 KB Output is correct
9 Correct 16 ms 4556 KB Output is correct
10 Correct 15 ms 4556 KB Output is correct
11 Correct 15 ms 4556 KB Output is correct
12 Correct 15 ms 4556 KB Output is correct
13 Correct 16 ms 4556 KB Output is correct
14 Correct 15 ms 4556 KB Output is correct
15 Correct 16 ms 4556 KB Output is correct
16 Correct 19 ms 4556 KB Output is correct
17 Correct 19 ms 4556 KB Output is correct
18 Correct 19 ms 4556 KB Output is correct
19 Correct 19 ms 4556 KB Output is correct
20 Correct 19 ms 4556 KB Output is correct
21 Correct 273 ms 20888 KB Output is correct
22 Correct 273 ms 20708 KB Output is correct
23 Correct 264 ms 20000 KB Output is correct
24 Correct 291 ms 21224 KB Output is correct
25 Correct 292 ms 21152 KB Output is correct
26 Correct 304 ms 20760 KB Output is correct
27 Correct 315 ms 20784 KB Output is correct
28 Correct 318 ms 20792 KB Output is correct
29 Correct 329 ms 20784 KB Output is correct
30 Correct 175 ms 38968 KB Output is correct
31 Correct 171 ms 39016 KB Output is correct
32 Correct 171 ms 39192 KB Output is correct
33 Correct 169 ms 39308 KB Output is correct
34 Correct 170 ms 38980 KB Output is correct
35 Correct 169 ms 37976 KB Output is correct
36 Correct 173 ms 38252 KB Output is correct
37 Correct 173 ms 39268 KB Output is correct
38 Correct 178 ms 38460 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1277 ms 71224 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 4544 KB Output is correct
2 Correct 19 ms 4556 KB Output is correct
3 Correct 18 ms 4556 KB Output is correct
4 Correct 19 ms 4556 KB Output is correct
5 Correct 19 ms 4556 KB Output is correct
6 Correct 15 ms 4556 KB Output is correct
7 Correct 17 ms 4556 KB Output is correct
8 Correct 15 ms 4556 KB Output is correct
9 Correct 16 ms 4556 KB Output is correct
10 Correct 15 ms 4556 KB Output is correct
11 Correct 15 ms 4556 KB Output is correct
12 Correct 15 ms 4556 KB Output is correct
13 Correct 16 ms 4556 KB Output is correct
14 Correct 15 ms 4556 KB Output is correct
15 Correct 16 ms 4556 KB Output is correct
16 Correct 19 ms 4556 KB Output is correct
17 Correct 19 ms 4556 KB Output is correct
18 Correct 19 ms 4556 KB Output is correct
19 Correct 19 ms 4556 KB Output is correct
20 Correct 19 ms 4556 KB Output is correct
21 Correct 273 ms 20888 KB Output is correct
22 Correct 273 ms 20708 KB Output is correct
23 Correct 264 ms 20000 KB Output is correct
24 Correct 291 ms 21224 KB Output is correct
25 Correct 292 ms 21152 KB Output is correct
26 Correct 304 ms 20760 KB Output is correct
27 Correct 315 ms 20784 KB Output is correct
28 Correct 318 ms 20792 KB Output is correct
29 Correct 329 ms 20784 KB Output is correct
30 Correct 175 ms 38968 KB Output is correct
31 Correct 171 ms 39016 KB Output is correct
32 Correct 171 ms 39192 KB Output is correct
33 Correct 169 ms 39308 KB Output is correct
34 Correct 170 ms 38980 KB Output is correct
35 Correct 169 ms 37976 KB Output is correct
36 Correct 173 ms 38252 KB Output is correct
37 Correct 173 ms 39268 KB Output is correct
38 Correct 178 ms 38460 KB Output is correct
39 Incorrect 1277 ms 71224 KB Output isn't correct
40 Halted 0 ms 0 KB -