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Submission #744175

# Submission time Handle Problem Language Result Execution time Memory
744175 2023-05-18T08:57:10 Z iamporrrrrrrrr Strange Device (APIO19_strange_device) C++14
65 / 100
 483 ms 16952 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;
set<int> s;
vector<pair<int,int>> v;
int g(int a,int b){
    if(b==0) return a;
    return g(b,a%b);
}
signed main()
{
    ios::sync_with_stdio(0),cin.tie(0);
    int n,a,b;
    cin>>n>>a>>b;
    int mod = (a*b)/g(max(a,b+1),min(a,b+1));
    for(int i=1;i<=n;i++){
        int x,y;
        cin>>x>>y;
        x%=mod;
        y%=mod;
        if(y>=x){
            v.push_back({x,y});
        }
        else v.push_back({x,mod-1}),v.push_back({0,y});

    }
    sort(v.begin(),v.end());
    int rr=-1,ans=0;
    for(int i=0;i<v.size();i++){
        int l=v[i].first;
        int r=v[i].second;
        if(l>rr){
            ans+=(r-l+1);
            rr=r;
        }
        else if(l<=rr&&r>rr){
            ans+=(r-rr);
            rr=r;
        }
    }
    cout<<ans;
    return 0;
}

Compilation message

strange_device.cpp: In function 'int main()':
strange_device.cpp:29:18: 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]
   29 |     for(int i=0;i<v.size();i++){
      |                 ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 4 ms 600 KB Output is correct
3 Correct 4 ms 600 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 5 ms 600 KB Output is correct
17 Correct 52 ms 2480 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 323 ms 16748 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 382 ms 16772 KB Output is correct
3 Correct 380 ms 16788 KB Output is correct
4 Correct 397 ms 16772 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 382 ms 16772 KB Output is correct
3 Correct 380 ms 16788 KB Output is correct
4 Correct 397 ms 16772 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 383 ms 16860 KB Output is correct
7 Correct 383 ms 16780 KB Output is correct
8 Correct 394 ms 16952 KB Output is correct
9 Correct 425 ms 16744 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 382 ms 16772 KB Output is correct
3 Correct 380 ms 16788 KB Output is correct
4 Correct 397 ms 16772 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 37 ms 2512 KB Output is correct
7 Correct 40 ms 2488 KB Output is correct
8 Correct 40 ms 2484 KB Output is correct
9 Correct 40 ms 2460 KB Output is correct
10 Correct 39 ms 2376 KB Output is correct
11 Correct 42 ms 2404 KB Output is correct
12 Correct 37 ms 2516 KB Output is correct
13 Correct 41 ms 2428 KB Output is correct
14 Correct 41 ms 2504 KB Output is correct
15 Correct 43 ms 2416 KB Output is correct
16 Correct 39 ms 2452 KB Output is correct
17 Correct 38 ms 2512 KB Output is correct
18 Correct 386 ms 16828 KB Output is correct
19 Correct 388 ms 16776 KB Output is correct
20 Correct 483 ms 16796 KB Output is correct
21 Correct 43 ms 2488 KB Output is correct
22 Correct 36 ms 2440 KB Output is correct
23 Correct 120 ms 8584 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 41 ms 2484 KB Output is correct
3 Correct 40 ms 2504 KB Output is correct
4 Correct 458 ms 16808 KB Output is correct
5 Correct 39 ms 2512 KB Output is correct
6 Correct 40 ms 2492 KB Output is correct
7 Correct 39 ms 2528 KB Output is correct
8 Correct 42 ms 2424 KB Output is correct
9 Correct 52 ms 2452 KB Output is correct
10 Correct 47 ms 2504 KB Output is correct
11 Correct 42 ms 2380 KB Output is correct
12 Correct 37 ms 2552 KB Output is correct
13 Correct 40 ms 2488 KB Output is correct
14 Correct 467 ms 16820 KB Output is correct
15 Correct 40 ms 2420 KB Output is correct
16 Correct 396 ms 16856 KB Output is correct
17 Correct 380 ms 16748 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 4 ms 600 KB Output is correct
3 Correct 4 ms 600 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 5 ms 600 KB Output is correct
17 Correct 52 ms 2480 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Incorrect 0 ms 212 KB Output isn't correct
21 Halted 0 ms 0 KB -