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Submission #744168

# Submission time Handle Problem Language Result Execution time Memory
744168 2023-05-18T08:54:06 Z iamporrrrrrrrr Strange Device (APIO19_strange_device) C++14
65 / 100
 505 ms 17392 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(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 5 ms 728 KB Output is correct
3 Correct 5 ms 728 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 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 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 320 KB Output is correct
13 Correct 1 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 728 KB Output is correct
17 Correct 45 ms 2680 KB Output is correct
18 Correct 1 ms 320 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 316 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 1 ms 212 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 368 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 303 ms 17104 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 401 ms 17072 KB Output is correct
3 Correct 455 ms 17044 KB Output is correct
4 Correct 375 ms 17392 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 401 ms 17072 KB Output is correct
3 Correct 455 ms 17044 KB Output is correct
4 Correct 375 ms 17392 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 376 ms 17136 KB Output is correct
7 Correct 427 ms 17196 KB Output is correct
8 Correct 384 ms 17148 KB Output is correct
9 Correct 434 ms 17164 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 401 ms 17072 KB Output is correct
3 Correct 455 ms 17044 KB Output is correct
4 Correct 375 ms 17392 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 41 ms 2684 KB Output is correct
7 Correct 43 ms 2688 KB Output is correct
8 Correct 42 ms 2764 KB Output is correct
9 Correct 40 ms 2772 KB Output is correct
10 Correct 48 ms 2732 KB Output is correct
11 Correct 44 ms 2876 KB Output is correct
12 Correct 49 ms 2696 KB Output is correct
13 Correct 49 ms 2864 KB Output is correct
14 Correct 39 ms 2788 KB Output is correct
15 Correct 43 ms 2760 KB Output is correct
16 Correct 54 ms 2656 KB Output is correct
17 Correct 47 ms 2756 KB Output is correct
18 Correct 412 ms 17220 KB Output is correct
19 Correct 387 ms 16992 KB Output is correct
20 Correct 429 ms 17196 KB Output is correct
21 Correct 42 ms 2696 KB Output is correct
22 Correct 46 ms 2768 KB Output is correct
23 Correct 126 ms 8984 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 42 ms 2668 KB Output is correct
3 Correct 42 ms 2760 KB Output is correct
4 Correct 443 ms 17376 KB Output is correct
5 Correct 53 ms 2764 KB Output is correct
6 Correct 54 ms 2708 KB Output is correct
7 Correct 49 ms 2772 KB Output is correct
8 Correct 41 ms 2768 KB Output is correct
9 Correct 44 ms 2752 KB Output is correct
10 Correct 54 ms 2740 KB Output is correct
11 Correct 48 ms 2720 KB Output is correct
12 Correct 52 ms 2772 KB Output is correct
13 Correct 45 ms 2708 KB Output is correct
14 Correct 460 ms 17148 KB Output is correct
15 Correct 51 ms 2760 KB Output is correct
16 Correct 505 ms 17192 KB Output is correct
17 Correct 449 ms 17116 KB Output is correct
18 Correct 1 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 5 ms 728 KB Output is correct
3 Correct 5 ms 728 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 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 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 320 KB Output is correct
13 Correct 1 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 728 KB Output is correct
17 Correct 45 ms 2680 KB Output is correct
18 Correct 1 ms 320 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Incorrect 1 ms 316 KB Output isn't correct
21 Halted 0 ms 0 KB -