oj.uz

Submission #764621

# Submission time Handle Problem Language Result Execution time Memory
764621 2023-06-23T16:36:36 Z Ahmed57 Boat (APIO16_boat) C++17
31 / 100
 1889 ms 99160 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-350;i<=x+350;i++){
            ans.push_back(i);
        }
        for(int i = y-350;i<=y+350;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 27 ms 8648 KB Output is correct
2 Correct 27 ms 8648 KB Output is correct
3 Correct 26 ms 8648 KB Output is correct
4 Correct 28 ms 8648 KB Output is correct
5 Correct 27 ms 8592 KB Output is correct
6 Correct 23 ms 8648 KB Output is correct
7 Correct 23 ms 8648 KB Output is correct
8 Correct 23 ms 8648 KB Output is correct
9 Correct 25 ms 8648 KB Output is correct
10 Correct 23 ms 8648 KB Output is correct
11 Correct 23 ms 8648 KB Output is correct
12 Correct 23 ms 8648 KB Output is correct
13 Correct 25 ms 8688 KB Output is correct
14 Correct 22 ms 8656 KB Output is correct
15 Correct 23 ms 8648 KB Output is correct
16 Correct 27 ms 8648 KB Output is correct
17 Correct 27 ms 8648 KB Output is correct
18 Correct 33 ms 8592 KB Output is correct
19 Correct 29 ms 8648 KB Output is correct
20 Correct 27 ms 8648 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 8648 KB Output is correct
2 Correct 27 ms 8648 KB Output is correct
3 Correct 26 ms 8648 KB Output is correct
4 Correct 28 ms 8648 KB Output is correct
5 Correct 27 ms 8592 KB Output is correct
6 Correct 23 ms 8648 KB Output is correct
7 Correct 23 ms 8648 KB Output is correct
8 Correct 23 ms 8648 KB Output is correct
9 Correct 25 ms 8648 KB Output is correct
10 Correct 23 ms 8648 KB Output is correct
11 Correct 23 ms 8648 KB Output is correct
12 Correct 23 ms 8648 KB Output is correct
13 Correct 25 ms 8688 KB Output is correct
14 Correct 22 ms 8656 KB Output is correct
15 Correct 23 ms 8648 KB Output is correct
16 Correct 27 ms 8648 KB Output is correct
17 Correct 27 ms 8648 KB Output is correct
18 Correct 33 ms 8592 KB Output is correct
19 Correct 29 ms 8648 KB Output is correct
20 Correct 27 ms 8648 KB Output is correct
21 Correct 288 ms 22468 KB Output is correct
22 Correct 293 ms 22160 KB Output is correct
23 Correct 277 ms 21572 KB Output is correct
24 Correct 304 ms 22708 KB Output is correct
25 Correct 299 ms 22792 KB Output is correct
26 Correct 317 ms 22364 KB Output is correct
27 Correct 329 ms 22232 KB Output is correct
28 Correct 347 ms 22348 KB Output is correct
29 Correct 339 ms 22444 KB Output is correct
30 Correct 242 ms 53168 KB Output is correct
31 Correct 232 ms 52980 KB Output is correct
32 Correct 238 ms 53572 KB Output is correct
33 Correct 278 ms 53604 KB Output is correct
34 Correct 241 ms 53444 KB Output is correct
35 Correct 226 ms 52680 KB Output is correct
36 Correct 231 ms 53068 KB Output is correct
37 Correct 248 ms 54888 KB Output is correct
38 Correct 234 ms 53228 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1889 ms 99160 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 8648 KB Output is correct
2 Correct 27 ms 8648 KB Output is correct
3 Correct 26 ms 8648 KB Output is correct
4 Correct 28 ms 8648 KB Output is correct
5 Correct 27 ms 8592 KB Output is correct
6 Correct 23 ms 8648 KB Output is correct
7 Correct 23 ms 8648 KB Output is correct
8 Correct 23 ms 8648 KB Output is correct
9 Correct 25 ms 8648 KB Output is correct
10 Correct 23 ms 8648 KB Output is correct
11 Correct 23 ms 8648 KB Output is correct
12 Correct 23 ms 8648 KB Output is correct
13 Correct 25 ms 8688 KB Output is correct
14 Correct 22 ms 8656 KB Output is correct
15 Correct 23 ms 8648 KB Output is correct
16 Correct 27 ms 8648 KB Output is correct
17 Correct 27 ms 8648 KB Output is correct
18 Correct 33 ms 8592 KB Output is correct
19 Correct 29 ms 8648 KB Output is correct
20 Correct 27 ms 8648 KB Output is correct
21 Correct 288 ms 22468 KB Output is correct
22 Correct 293 ms 22160 KB Output is correct
23 Correct 277 ms 21572 KB Output is correct
24 Correct 304 ms 22708 KB Output is correct
25 Correct 299 ms 22792 KB Output is correct
26 Correct 317 ms 22364 KB Output is correct
27 Correct 329 ms 22232 KB Output is correct
28 Correct 347 ms 22348 KB Output is correct
29 Correct 339 ms 22444 KB Output is correct
30 Correct 242 ms 53168 KB Output is correct
31 Correct 232 ms 52980 KB Output is correct
32 Correct 238 ms 53572 KB Output is correct
33 Correct 278 ms 53604 KB Output is correct
34 Correct 241 ms 53444 KB Output is correct
35 Correct 226 ms 52680 KB Output is correct
36 Correct 231 ms 53068 KB Output is correct
37 Correct 248 ms 54888 KB Output is correct
38 Correct 234 ms 53228 KB Output is correct
39 Incorrect 1889 ms 99160 KB Output isn't correct
40 Halted 0 ms 0 KB -