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Submission #207500

# Submission time Handle Problem Language Result Execution time Memory
207500 2020-03-07T16:37:47 Z brcode Strange Device (APIO19_strange_device) C++14
100 / 100
 2260 ms 53428 KB 
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
vector<pair<long long,long long>> seg;
int main(){
    long long n,a,b;
    cin>>n>>a>>b;
    a/=__gcd(a,b+1);
    long long mx = 1e18;
    if(mx/a<=b){
        mx = 1e18;
    }else{
        mx = a*b;
    }
    
    for(int i=0;i<n;i++){
        long long l,r;
        cin>>l>>r;
        
        if(r-l+1>=mx){
            cout<<mx<<endl;
            return 0;
        }
        l%=mx;
        r%=mx;
        if(l<=r){
            seg.push_back(make_pair(l,r));
        }else{
            seg.push_back(make_pair(l,mx-1));
            seg.push_back(make_pair(0,r));
        }
    }
    sort(seg.begin(),seg.end());
    long long ans = 0;
    long long l = seg[0].first;
    long long r = seg[0].second;
    for(auto x:seg){
        if(r<x.first){
            ans+=r-l+1;
            l=x.first;
            r=x.second;
        }else{
            r= max(r,x.second);
        }
       
    }
     ans+=(r-l+1);
    cout<<ans<<endl;
    
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 28 ms 1020 KB Output is correct
3 Correct 26 ms 1016 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 29 ms 1016 KB Output is correct
17 Correct 252 ms 5692 KB Output is correct
18 Correct 5 ms 256 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 5 ms 376 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 8 ms 376 KB Output is correct
3 Correct 7 ms 376 KB Output is correct
4 Correct 7 ms 376 KB Output is correct
5 Correct 1560 ms 41404 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 2185 ms 53428 KB Output is correct
3 Correct 2185 ms 53208 KB Output is correct
4 Correct 2175 ms 31980 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 2185 ms 53428 KB Output is correct
3 Correct 2185 ms 53208 KB Output is correct
4 Correct 2175 ms 31980 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 2167 ms 32264 KB Output is correct
7 Correct 2180 ms 32728 KB Output is correct
8 Correct 2167 ms 31956 KB Output is correct
9 Correct 2249 ms 32572 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 2185 ms 53428 KB Output is correct
3 Correct 2185 ms 53208 KB Output is correct
4 Correct 2175 ms 31980 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 223 ms 5780 KB Output is correct
7 Correct 229 ms 5832 KB Output is correct
8 Correct 222 ms 5868 KB Output is correct
9 Correct 225 ms 5732 KB Output is correct
10 Correct 225 ms 5732 KB Output is correct
11 Correct 223 ms 5732 KB Output is correct
12 Correct 230 ms 5876 KB Output is correct
13 Correct 223 ms 5732 KB Output is correct
14 Correct 222 ms 5732 KB Output is correct
15 Correct 226 ms 5860 KB Output is correct
16 Correct 225 ms 5736 KB Output is correct
17 Correct 225 ms 5816 KB Output is correct
18 Correct 2193 ms 32240 KB Output is correct
19 Correct 2170 ms 32576 KB Output is correct
20 Correct 2227 ms 32412 KB Output is correct
21 Correct 227 ms 5840 KB Output is correct
22 Correct 222 ms 5732 KB Output is correct
23 Correct 734 ms 18536 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 227 ms 5760 KB Output is correct
3 Correct 225 ms 5736 KB Output is correct
4 Correct 2250 ms 32316 KB Output is correct
5 Correct 245 ms 5732 KB Output is correct
6 Correct 232 ms 5732 KB Output is correct
7 Correct 227 ms 5732 KB Output is correct
8 Correct 228 ms 5732 KB Output is correct
9 Correct 227 ms 5884 KB Output is correct
10 Correct 247 ms 5728 KB Output is correct
11 Correct 230 ms 5804 KB Output is correct
12 Correct 217 ms 5732 KB Output is correct
13 Correct 225 ms 5732 KB Output is correct
14 Correct 2238 ms 32228 KB Output is correct
15 Correct 229 ms 5732 KB Output is correct
16 Correct 2178 ms 32380 KB Output is correct
17 Correct 2191 ms 32216 KB Output is correct
18 Correct 5 ms 256 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 28 ms 1020 KB Output is correct
3 Correct 26 ms 1016 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 29 ms 1016 KB Output is correct
17 Correct 252 ms 5692 KB Output is correct
18 Correct 5 ms 256 KB Output is correct
19 Correct 5 ms 256 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 256 KB Output is correct
22 Correct 4 ms 256 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 8 ms 376 KB Output is correct
26 Correct 7 ms 376 KB Output is correct
27 Correct 7 ms 376 KB Output is correct
28 Correct 1560 ms 41404 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 2185 ms 53428 KB Output is correct
31 Correct 2185 ms 53208 KB Output is correct
32 Correct 2175 ms 31980 KB Output is correct
33 Correct 5 ms 256 KB Output is correct
34 Correct 2167 ms 32264 KB Output is correct
35 Correct 2180 ms 32728 KB Output is correct
36 Correct 2167 ms 31956 KB Output is correct
37 Correct 2249 ms 32572 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 223 ms 5780 KB Output is correct
40 Correct 229 ms 5832 KB Output is correct
41 Correct 222 ms 5868 KB Output is correct
42 Correct 225 ms 5732 KB Output is correct
43 Correct 225 ms 5732 KB Output is correct
44 Correct 223 ms 5732 KB Output is correct
45 Correct 230 ms 5876 KB Output is correct
46 Correct 223 ms 5732 KB Output is correct
47 Correct 222 ms 5732 KB Output is correct
48 Correct 226 ms 5860 KB Output is correct
49 Correct 225 ms 5736 KB Output is correct
50 Correct 225 ms 5816 KB Output is correct
51 Correct 2193 ms 32240 KB Output is correct
52 Correct 2170 ms 32576 KB Output is correct
53 Correct 2227 ms 32412 KB Output is correct
54 Correct 227 ms 5840 KB Output is correct
55 Correct 222 ms 5732 KB Output is correct
56 Correct 734 ms 18536 KB Output is correct
57 Correct 5 ms 256 KB Output is correct
58 Correct 227 ms 5760 KB Output is correct
59 Correct 225 ms 5736 KB Output is correct
60 Correct 2250 ms 32316 KB Output is correct
61 Correct 245 ms 5732 KB Output is correct
62 Correct 232 ms 5732 KB Output is correct
63 Correct 227 ms 5732 KB Output is correct
64 Correct 228 ms 5732 KB Output is correct
65 Correct 227 ms 5884 KB Output is correct
66 Correct 247 ms 5728 KB Output is correct
67 Correct 230 ms 5804 KB Output is correct
68 Correct 217 ms 5732 KB Output is correct
69 Correct 225 ms 5732 KB Output is correct
70 Correct 2238 ms 32228 KB Output is correct
71 Correct 229 ms 5732 KB Output is correct
72 Correct 2178 ms 32380 KB Output is correct
73 Correct 2191 ms 32216 KB Output is correct
74 Correct 5 ms 256 KB Output is correct
75 Correct 5 ms 256 KB Output is correct
76 Correct 5 ms 256 KB Output is correct
77 Correct 5 ms 256 KB Output is correct
78 Correct 5 ms 256 KB Output is correct
79 Correct 26 ms 1016 KB Output is correct
80 Correct 2260 ms 31888 KB Output is correct
81 Correct 2250 ms 31976 KB Output is correct
82 Correct 2208 ms 32064 KB Output is correct
83 Correct 2221 ms 32036 KB Output is correct
84 Correct 2244 ms 32400 KB Output is correct
85 Correct 2247 ms 32444 KB Output is correct
86 Correct 735 ms 18552 KB Output is correct
87 Correct 5 ms 256 KB Output is correct