oj.uz

Submission #764617

# Submission time Handle Problem Language Result Execution time Memory
764617 2023-06-23T16:34:35 Z Ahmed57 Boat (APIO16_boat) C++17
31 / 100
 1031 ms 56516 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-200;i<=x+200;i++){
            ans.push_back(i);
        }
        for(int i = y-200;i<=y+200;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 16 ms 4556 KB Output is correct
2 Correct 16 ms 4556 KB Output is correct
3 Correct 14 ms 4556 KB Output is correct
4 Correct 15 ms 4556 KB Output is correct
5 Correct 15 ms 4556 KB Output is correct
6 Correct 12 ms 4556 KB Output is correct
7 Correct 14 ms 4556 KB Output is correct
8 Correct 12 ms 4556 KB Output is correct
9 Correct 13 ms 4556 KB Output is correct
10 Correct 12 ms 4556 KB Output is correct
11 Correct 12 ms 4556 KB Output is correct
12 Correct 12 ms 4556 KB Output is correct
13 Correct 12 ms 4556 KB Output is correct
14 Correct 12 ms 4556 KB Output is correct
15 Correct 12 ms 4556 KB Output is correct
16 Correct 15 ms 4556 KB Output is correct
17 Correct 15 ms 4556 KB Output is correct
18 Correct 15 ms 4556 KB Output is correct
19 Correct 16 ms 4556 KB Output is correct
20 Correct 17 ms 4556 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 4556 KB Output is correct
2 Correct 16 ms 4556 KB Output is correct
3 Correct 14 ms 4556 KB Output is correct
4 Correct 15 ms 4556 KB Output is correct
5 Correct 15 ms 4556 KB Output is correct
6 Correct 12 ms 4556 KB Output is correct
7 Correct 14 ms 4556 KB Output is correct
8 Correct 12 ms 4556 KB Output is correct
9 Correct 13 ms 4556 KB Output is correct
10 Correct 12 ms 4556 KB Output is correct
11 Correct 12 ms 4556 KB Output is correct
12 Correct 12 ms 4556 KB Output is correct
13 Correct 12 ms 4556 KB Output is correct
14 Correct 12 ms 4556 KB Output is correct
15 Correct 12 ms 4556 KB Output is correct
16 Correct 15 ms 4556 KB Output is correct
17 Correct 15 ms 4556 KB Output is correct
18 Correct 15 ms 4556 KB Output is correct
19 Correct 16 ms 4556 KB Output is correct
20 Correct 17 ms 4556 KB Output is correct
21 Correct 273 ms 20148 KB Output is correct
22 Correct 266 ms 19824 KB Output is correct
23 Correct 256 ms 19224 KB Output is correct
24 Correct 277 ms 20532 KB Output is correct
25 Correct 284 ms 20352 KB Output is correct
26 Correct 296 ms 20000 KB Output is correct
27 Correct 312 ms 20000 KB Output is correct
28 Correct 302 ms 19972 KB Output is correct
29 Correct 318 ms 20012 KB Output is correct
30 Correct 137 ms 31928 KB Output is correct
31 Correct 146 ms 31996 KB Output is correct
32 Correct 138 ms 32268 KB Output is correct
33 Correct 138 ms 32452 KB Output is correct
34 Correct 136 ms 32124 KB Output is correct
35 Correct 135 ms 31800 KB Output is correct
36 Correct 136 ms 31896 KB Output is correct
37 Correct 145 ms 32504 KB Output is correct
38 Correct 138 ms 31952 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1031 ms 56516 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 4556 KB Output is correct
2 Correct 16 ms 4556 KB Output is correct
3 Correct 14 ms 4556 KB Output is correct
4 Correct 15 ms 4556 KB Output is correct
5 Correct 15 ms 4556 KB Output is correct
6 Correct 12 ms 4556 KB Output is correct
7 Correct 14 ms 4556 KB Output is correct
8 Correct 12 ms 4556 KB Output is correct
9 Correct 13 ms 4556 KB Output is correct
10 Correct 12 ms 4556 KB Output is correct
11 Correct 12 ms 4556 KB Output is correct
12 Correct 12 ms 4556 KB Output is correct
13 Correct 12 ms 4556 KB Output is correct
14 Correct 12 ms 4556 KB Output is correct
15 Correct 12 ms 4556 KB Output is correct
16 Correct 15 ms 4556 KB Output is correct
17 Correct 15 ms 4556 KB Output is correct
18 Correct 15 ms 4556 KB Output is correct
19 Correct 16 ms 4556 KB Output is correct
20 Correct 17 ms 4556 KB Output is correct
21 Correct 273 ms 20148 KB Output is correct
22 Correct 266 ms 19824 KB Output is correct
23 Correct 256 ms 19224 KB Output is correct
24 Correct 277 ms 20532 KB Output is correct
25 Correct 284 ms 20352 KB Output is correct
26 Correct 296 ms 20000 KB Output is correct
27 Correct 312 ms 20000 KB Output is correct
28 Correct 302 ms 19972 KB Output is correct
29 Correct 318 ms 20012 KB Output is correct
30 Correct 137 ms 31928 KB Output is correct
31 Correct 146 ms 31996 KB Output is correct
32 Correct 138 ms 32268 KB Output is correct
33 Correct 138 ms 32452 KB Output is correct
34 Correct 136 ms 32124 KB Output is correct
35 Correct 135 ms 31800 KB Output is correct
36 Correct 136 ms 31896 KB Output is correct
37 Correct 145 ms 32504 KB Output is correct
38 Correct 138 ms 31952 KB Output is correct
39 Incorrect 1031 ms 56516 KB Output isn't correct
40 Halted 0 ms 0 KB -