oj.uz

Submission #764614

# Submission time Handle Problem Language Result Execution time Memory
764614 2023-06-23T16:32:26 Z Ahmed57 Boat (APIO16_boat) C++17
31 / 100
 2000 ms 141704 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-500;i<=x+500;i++){
            ans.push_back(i);
        }
        for(int i = y-500;i<=y+500;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 40 ms 8648 KB Output is correct
2 Correct 41 ms 8648 KB Output is correct
3 Correct 39 ms 8648 KB Output is correct
4 Correct 42 ms 8648 KB Output is correct
5 Correct 43 ms 8644 KB Output is correct
6 Correct 32 ms 8648 KB Output is correct
7 Correct 34 ms 8644 KB Output is correct
8 Correct 35 ms 8648 KB Output is correct
9 Correct 32 ms 8648 KB Output is correct
10 Correct 41 ms 8644 KB Output is correct
11 Correct 34 ms 8648 KB Output is correct
12 Correct 33 ms 8648 KB Output is correct
13 Correct 33 ms 8648 KB Output is correct
14 Correct 33 ms 8644 KB Output is correct
15 Correct 32 ms 8648 KB Output is correct
16 Correct 38 ms 8648 KB Output is correct
17 Correct 38 ms 8648 KB Output is correct
18 Correct 38 ms 8648 KB Output is correct
19 Correct 39 ms 8648 KB Output is correct
20 Correct 38 ms 8648 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 8648 KB Output is correct
2 Correct 41 ms 8648 KB Output is correct
3 Correct 39 ms 8648 KB Output is correct
4 Correct 42 ms 8648 KB Output is correct
5 Correct 43 ms 8644 KB Output is correct
6 Correct 32 ms 8648 KB Output is correct
7 Correct 34 ms 8644 KB Output is correct
8 Correct 35 ms 8648 KB Output is correct
9 Correct 32 ms 8648 KB Output is correct
10 Correct 41 ms 8644 KB Output is correct
11 Correct 34 ms 8648 KB Output is correct
12 Correct 33 ms 8648 KB Output is correct
13 Correct 33 ms 8648 KB Output is correct
14 Correct 33 ms 8644 KB Output is correct
15 Correct 32 ms 8648 KB Output is correct
16 Correct 38 ms 8648 KB Output is correct
17 Correct 38 ms 8648 KB Output is correct
18 Correct 38 ms 8648 KB Output is correct
19 Correct 39 ms 8648 KB Output is correct
20 Correct 38 ms 8648 KB Output is correct
21 Correct 308 ms 24816 KB Output is correct
22 Correct 306 ms 24568 KB Output is correct
23 Correct 295 ms 23928 KB Output is correct
24 Correct 315 ms 25092 KB Output is correct
25 Correct 328 ms 25248 KB Output is correct
26 Correct 345 ms 24620 KB Output is correct
27 Correct 346 ms 24776 KB Output is correct
28 Correct 349 ms 24684 KB Output is correct
29 Correct 348 ms 24668 KB Output is correct
30 Correct 316 ms 69756 KB Output is correct
31 Correct 313 ms 69776 KB Output is correct
32 Correct 328 ms 70496 KB Output is correct
33 Correct 328 ms 70428 KB Output is correct
34 Correct 322 ms 70164 KB Output is correct
35 Correct 336 ms 69108 KB Output is correct
36 Correct 325 ms 69472 KB Output is correct
37 Correct 329 ms 72412 KB Output is correct
38 Correct 328 ms 70072 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2082 ms 141704 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 8648 KB Output is correct
2 Correct 41 ms 8648 KB Output is correct
3 Correct 39 ms 8648 KB Output is correct
4 Correct 42 ms 8648 KB Output is correct
5 Correct 43 ms 8644 KB Output is correct
6 Correct 32 ms 8648 KB Output is correct
7 Correct 34 ms 8644 KB Output is correct
8 Correct 35 ms 8648 KB Output is correct
9 Correct 32 ms 8648 KB Output is correct
10 Correct 41 ms 8644 KB Output is correct
11 Correct 34 ms 8648 KB Output is correct
12 Correct 33 ms 8648 KB Output is correct
13 Correct 33 ms 8648 KB Output is correct
14 Correct 33 ms 8644 KB Output is correct
15 Correct 32 ms 8648 KB Output is correct
16 Correct 38 ms 8648 KB Output is correct
17 Correct 38 ms 8648 KB Output is correct
18 Correct 38 ms 8648 KB Output is correct
19 Correct 39 ms 8648 KB Output is correct
20 Correct 38 ms 8648 KB Output is correct
21 Correct 308 ms 24816 KB Output is correct
22 Correct 306 ms 24568 KB Output is correct
23 Correct 295 ms 23928 KB Output is correct
24 Correct 315 ms 25092 KB Output is correct
25 Correct 328 ms 25248 KB Output is correct
26 Correct 345 ms 24620 KB Output is correct
27 Correct 346 ms 24776 KB Output is correct
28 Correct 349 ms 24684 KB Output is correct
29 Correct 348 ms 24668 KB Output is correct
30 Correct 316 ms 69756 KB Output is correct
31 Correct 313 ms 69776 KB Output is correct
32 Correct 328 ms 70496 KB Output is correct
33 Correct 328 ms 70428 KB Output is correct
34 Correct 322 ms 70164 KB Output is correct
35 Correct 336 ms 69108 KB Output is correct
36 Correct 325 ms 69472 KB Output is correct
37 Correct 329 ms 72412 KB Output is correct
38 Correct 328 ms 70072 KB Output is correct
39 Execution timed out 2082 ms 141704 KB Time limit exceeded
40 Halted 0 ms 0 KB -