oj.uz

Submission #764616

# Submission time Handle Problem Language Result Execution time Memory
764616 2023-06-23T16:33:40 Z Ahmed57 Boat (APIO16_boat) C++17
31 / 100
 469 ms 28540 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-100;i<=x+100;i++){
            ans.push_back(i);
        }
        for(int i = y-100;i<=y+100;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 8 ms 2512 KB Output is correct
2 Correct 8 ms 2512 KB Output is correct
3 Correct 8 ms 2512 KB Output is correct
4 Correct 9 ms 2512 KB Output is correct
5 Correct 8 ms 2432 KB Output is correct
6 Correct 7 ms 2512 KB Output is correct
7 Correct 7 ms 2512 KB Output is correct
8 Correct 7 ms 2512 KB Output is correct
9 Correct 7 ms 2512 KB Output is correct
10 Correct 7 ms 2512 KB Output is correct
11 Correct 9 ms 2512 KB Output is correct
12 Correct 7 ms 2512 KB Output is correct
13 Correct 7 ms 2512 KB Output is correct
14 Correct 7 ms 2512 KB Output is correct
15 Correct 7 ms 2512 KB Output is correct
16 Correct 9 ms 2496 KB Output is correct
17 Correct 8 ms 2512 KB Output is correct
18 Correct 8 ms 2512 KB Output is correct
19 Correct 8 ms 2512 KB Output is correct
20 Correct 8 ms 2512 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 2512 KB Output is correct
2 Correct 8 ms 2512 KB Output is correct
3 Correct 8 ms 2512 KB Output is correct
4 Correct 9 ms 2512 KB Output is correct
5 Correct 8 ms 2432 KB Output is correct
6 Correct 7 ms 2512 KB Output is correct
7 Correct 7 ms 2512 KB Output is correct
8 Correct 7 ms 2512 KB Output is correct
9 Correct 7 ms 2512 KB Output is correct
10 Correct 7 ms 2512 KB Output is correct
11 Correct 9 ms 2512 KB Output is correct
12 Correct 7 ms 2512 KB Output is correct
13 Correct 7 ms 2512 KB Output is correct
14 Correct 7 ms 2512 KB Output is correct
15 Correct 7 ms 2512 KB Output is correct
16 Correct 9 ms 2496 KB Output is correct
17 Correct 8 ms 2512 KB Output is correct
18 Correct 8 ms 2512 KB Output is correct
19 Correct 8 ms 2512 KB Output is correct
20 Correct 8 ms 2512 KB Output is correct
21 Correct 255 ms 18496 KB Output is correct
22 Correct 256 ms 18256 KB Output is correct
23 Correct 241 ms 17600 KB Output is correct
24 Correct 265 ms 18808 KB Output is correct
25 Correct 276 ms 19004 KB Output is correct
26 Correct 278 ms 18356 KB Output is correct
27 Correct 290 ms 18332 KB Output is correct
28 Correct 292 ms 18440 KB Output is correct
29 Correct 299 ms 18432 KB Output is correct
30 Correct 72 ms 16908 KB Output is correct
31 Correct 75 ms 17028 KB Output is correct
32 Correct 67 ms 16956 KB Output is correct
33 Correct 73 ms 17056 KB Output is correct
34 Correct 67 ms 16904 KB Output is correct
35 Correct 68 ms 16712 KB Output is correct
36 Correct 68 ms 16640 KB Output is correct
37 Correct 76 ms 16944 KB Output is correct
38 Correct 67 ms 16576 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 469 ms 28540 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 2512 KB Output is correct
2 Correct 8 ms 2512 KB Output is correct
3 Correct 8 ms 2512 KB Output is correct
4 Correct 9 ms 2512 KB Output is correct
5 Correct 8 ms 2432 KB Output is correct
6 Correct 7 ms 2512 KB Output is correct
7 Correct 7 ms 2512 KB Output is correct
8 Correct 7 ms 2512 KB Output is correct
9 Correct 7 ms 2512 KB Output is correct
10 Correct 7 ms 2512 KB Output is correct
11 Correct 9 ms 2512 KB Output is correct
12 Correct 7 ms 2512 KB Output is correct
13 Correct 7 ms 2512 KB Output is correct
14 Correct 7 ms 2512 KB Output is correct
15 Correct 7 ms 2512 KB Output is correct
16 Correct 9 ms 2496 KB Output is correct
17 Correct 8 ms 2512 KB Output is correct
18 Correct 8 ms 2512 KB Output is correct
19 Correct 8 ms 2512 KB Output is correct
20 Correct 8 ms 2512 KB Output is correct
21 Correct 255 ms 18496 KB Output is correct
22 Correct 256 ms 18256 KB Output is correct
23 Correct 241 ms 17600 KB Output is correct
24 Correct 265 ms 18808 KB Output is correct
25 Correct 276 ms 19004 KB Output is correct
26 Correct 278 ms 18356 KB Output is correct
27 Correct 290 ms 18332 KB Output is correct
28 Correct 292 ms 18440 KB Output is correct
29 Correct 299 ms 18432 KB Output is correct
30 Correct 72 ms 16908 KB Output is correct
31 Correct 75 ms 17028 KB Output is correct
32 Correct 67 ms 16956 KB Output is correct
33 Correct 73 ms 17056 KB Output is correct
34 Correct 67 ms 16904 KB Output is correct
35 Correct 68 ms 16712 KB Output is correct
36 Correct 68 ms 16640 KB Output is correct
37 Correct 76 ms 16944 KB Output is correct
38 Correct 67 ms 16576 KB Output is correct
39 Incorrect 469 ms 28540 KB Output isn't correct
40 Halted 0 ms 0 KB -