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Submission #767214

# Submission time Handle Problem Language Result Execution time Memory
767214 2023-06-26T14:04:19 Z Trisanu_Das Strange Device (APIO19_strange_device) C++17
100 / 100
 1391 ms 100212 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef __int128 lll;

int n,curr;
ll a,b,ans,l,r,cc,pre=-1;
lll cyc;
map<ll,int> todo;

int main(){
	cin>>n>>a>>b;
	cyc=a/__gcd(a,b+1);
	cyc*=b;
	if (cyc>=LLONG_MAX) cc=LLONG_MAX;
	else cc=cyc;
	for (int i=1;i<=n;i++){
		cin>>l>>r;
		if (r-l>=cc){
			cout<<cc<<"\n";
			return 0;
		}
		if (l/cc!=r/cc){
			todo[l%cc]++;
			todo[cc]--;
			todo[0]++;
			todo[r%cc+1]--;
		}else{
			todo[l%cc]++;
			todo[r%cc+1]--;
		}
	}
	for (auto i:todo){
		if (curr) ans+=i.first-pre;
		curr+=i.second;
		pre=i.first;
	}
	cout<<ans<<"\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 11 ms 1228 KB Output is correct
3 Correct 12 ms 1248 KB Output is correct
4 Correct 1 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 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 12 ms 1312 KB Output is correct
17 Correct 122 ms 10224 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 680 ms 25420 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 1320 ms 100024 KB Output is correct
3 Correct 1263 ms 100044 KB Output is correct
4 Correct 1292 ms 99980 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 1320 ms 100024 KB Output is correct
3 Correct 1263 ms 100044 KB Output is correct
4 Correct 1292 ms 99980 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1292 ms 99972 KB Output is correct
7 Correct 1267 ms 100064 KB Output is correct
8 Correct 1217 ms 99980 KB Output is correct
9 Correct 1329 ms 100004 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 1320 ms 100024 KB Output is correct
3 Correct 1263 ms 100044 KB Output is correct
4 Correct 1292 ms 99980 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 115 ms 10284 KB Output is correct
7 Correct 112 ms 10208 KB Output is correct
8 Correct 115 ms 10212 KB Output is correct
9 Correct 116 ms 10168 KB Output is correct
10 Correct 113 ms 10284 KB Output is correct
11 Correct 116 ms 10416 KB Output is correct
12 Correct 114 ms 10248 KB Output is correct
13 Correct 118 ms 10192 KB Output is correct
14 Correct 114 ms 10284 KB Output is correct
15 Correct 127 ms 10240 KB Output is correct
16 Correct 125 ms 10188 KB Output is correct
17 Correct 116 ms 10252 KB Output is correct
18 Correct 1231 ms 100004 KB Output is correct
19 Correct 1345 ms 100004 KB Output is correct
20 Correct 1338 ms 100084 KB Output is correct
21 Correct 114 ms 10188 KB Output is correct
22 Correct 114 ms 10212 KB Output is correct
23 Correct 314 ms 12812 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB Output is correct
2 Correct 118 ms 10184 KB Output is correct
3 Correct 135 ms 10300 KB Output is correct
4 Correct 1391 ms 100000 KB Output is correct
5 Correct 123 ms 10192 KB Output is correct
6 Correct 130 ms 10556 KB Output is correct
7 Correct 122 ms 10216 KB Output is correct
8 Correct 118 ms 10236 KB Output is correct
9 Correct 116 ms 10272 KB Output is correct
10 Correct 115 ms 10264 KB Output is correct
11 Correct 114 ms 10232 KB Output is correct
12 Correct 117 ms 10196 KB Output is correct
13 Correct 133 ms 10284 KB Output is correct
14 Correct 1285 ms 100176 KB Output is correct
15 Correct 114 ms 10204 KB Output is correct
16 Correct 1237 ms 100028 KB Output is correct
17 Correct 1259 ms 100088 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 11 ms 1228 KB Output is correct
3 Correct 12 ms 1248 KB Output is correct
4 Correct 1 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 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 12 ms 1312 KB Output is correct
17 Correct 122 ms 10224 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 300 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 300 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Correct 680 ms 25420 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1320 ms 100024 KB Output is correct
31 Correct 1263 ms 100044 KB Output is correct
32 Correct 1292 ms 99980 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1292 ms 99972 KB Output is correct
35 Correct 1267 ms 100064 KB Output is correct
36 Correct 1217 ms 99980 KB Output is correct
37 Correct 1329 ms 100004 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 115 ms 10284 KB Output is correct
40 Correct 112 ms 10208 KB Output is correct
41 Correct 115 ms 10212 KB Output is correct
42 Correct 116 ms 10168 KB Output is correct
43 Correct 113 ms 10284 KB Output is correct
44 Correct 116 ms 10416 KB Output is correct
45 Correct 114 ms 10248 KB Output is correct
46 Correct 118 ms 10192 KB Output is correct
47 Correct 114 ms 10284 KB Output is correct
48 Correct 127 ms 10240 KB Output is correct
49 Correct 125 ms 10188 KB Output is correct
50 Correct 116 ms 10252 KB Output is correct
51 Correct 1231 ms 100004 KB Output is correct
52 Correct 1345 ms 100004 KB Output is correct
53 Correct 1338 ms 100084 KB Output is correct
54 Correct 114 ms 10188 KB Output is correct
55 Correct 114 ms 10212 KB Output is correct
56 Correct 314 ms 12812 KB Output is correct
57 Correct 1 ms 296 KB Output is correct
58 Correct 118 ms 10184 KB Output is correct
59 Correct 135 ms 10300 KB Output is correct
60 Correct 1391 ms 100000 KB Output is correct
61 Correct 123 ms 10192 KB Output is correct
62 Correct 130 ms 10556 KB Output is correct
63 Correct 122 ms 10216 KB Output is correct
64 Correct 118 ms 10236 KB Output is correct
65 Correct 116 ms 10272 KB Output is correct
66 Correct 115 ms 10264 KB Output is correct
67 Correct 114 ms 10232 KB Output is correct
68 Correct 117 ms 10196 KB Output is correct
69 Correct 133 ms 10284 KB Output is correct
70 Correct 1285 ms 100176 KB Output is correct
71 Correct 114 ms 10204 KB Output is correct
72 Correct 1237 ms 100028 KB Output is correct
73 Correct 1259 ms 100088 KB Output is correct
74 Correct 1 ms 212 KB Output is correct
75 Correct 1 ms 212 KB Output is correct
76 Correct 0 ms 212 KB Output is correct
77 Correct 0 ms 212 KB Output is correct
78 Correct 1 ms 212 KB Output is correct
79 Correct 11 ms 1296 KB Output is correct
80 Correct 1335 ms 100104 KB Output is correct
81 Correct 1294 ms 100128 KB Output is correct
82 Correct 1324 ms 100016 KB Output is correct
83 Correct 1293 ms 100212 KB Output is correct
84 Correct 1314 ms 100172 KB Output is correct
85 Correct 1280 ms 100076 KB Output is correct
86 Correct 311 ms 12748 KB Output is correct
87 Correct 1 ms 212 KB Output is correct