Submission #977108

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
977108	2024-05-07T11:47:28 Z	akacool445k	Strange Device (APIO19_strange_device)	C++14	100 / 100	1214 ms	63484 KB

strange_device

#include <bits/stdc++.h>
 
using namespace std;
#define ff first
#define ss second
#define int long long
const long long mod = 1e9 + 7;
const long long shrek = (1 << 30);
int gcd(int a, int b) {
	if(a == 0) return b;
	if(b == 0) return a;
	return gcd(b % a, a);
}
signed main() {
    int A, B, n;
    cin >> n >> A >> B;
    int k =  gcd(A, B + 1);
    double fuk = 1.0 * A * B / k;
    int gay = 1e18;
    if(fuk <= 1e18) gay = B * A / k;
    set<pair<int, int>> v;
    bool cmd = 0;
    for(int i = 0; i < n; i++) {
        int x, y;
        cin >> x >> y;
        if(y - x + 1 >= gay) {
            cmd = 1;
            continue;
        } else {
            x = x % gay;
            y = y % gay;
            if(x <= y) {
                v.insert({x, y});
            } else {
                v.insert({0, y});
                v.insert({x, gay - 1});
            }
        }
    }
    v.insert({2e18, 2e18});
    if(cmd == 1) {
        cout << gay << '\n';
        return 0;
    }
    int ans = 0;
    int l, r;
    l = (*v.begin()).ff; 
    r = l;
    for(auto x : v) {
        if(r < x.ff) {
            ans = ans + r - l + 1;
            l = x.ff;
            r = x.ss;
        }
        r = max(r, x.ss);
    }
    cout << ans << '\n';
    return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	13 ms	892 KB	Output is correct
3	Correct	12 ms	868 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	10 ms	860 KB	Output is correct
17	Correct	107 ms	6432 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	600 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	2 ms	344 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	650 ms	412 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	548 KB	Output is correct
2	Correct	1104 ms	62864 KB	Output is correct
3	Correct	1129 ms	63228 KB	Output is correct
4	Correct	1151 ms	63036 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	548 KB	Output is correct
2	Correct	1104 ms	62864 KB	Output is correct
3	Correct	1129 ms	63228 KB	Output is correct
4	Correct	1151 ms	63036 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	1124 ms	63012 KB	Output is correct
7	Correct	1129 ms	63000 KB	Output is correct
8	Correct	1108 ms	62852 KB	Output is correct
9	Correct	1119 ms	62868 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	548 KB	Output is correct
2	Correct	1104 ms	62864 KB	Output is correct
3	Correct	1129 ms	63228 KB	Output is correct
4	Correct	1151 ms	63036 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	112 ms	6460 KB	Output is correct
7	Correct	117 ms	6440 KB	Output is correct
8	Correct	104 ms	6484 KB	Output is correct
9	Correct	108 ms	6508 KB	Output is correct
10	Correct	108 ms	6716 KB	Output is correct
11	Correct	111 ms	6556 KB	Output is correct
12	Correct	103 ms	6640 KB	Output is correct
13	Correct	107 ms	6484 KB	Output is correct
14	Correct	115 ms	6704 KB	Output is correct
15	Correct	111 ms	6560 KB	Output is correct
16	Correct	108 ms	6496 KB	Output is correct
17	Correct	106 ms	6480 KB	Output is correct
18	Correct	1091 ms	62900 KB	Output is correct
19	Correct	1160 ms	63200 KB	Output is correct
20	Correct	1147 ms	62920 KB	Output is correct
21	Correct	108 ms	6480 KB	Output is correct
22	Correct	111 ms	6544 KB	Output is correct
23	Correct	324 ms	404 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	115 ms	6608 KB	Output is correct
3	Correct	131 ms	6480 KB	Output is correct
4	Correct	1137 ms	63192 KB	Output is correct
5	Correct	117 ms	6484 KB	Output is correct
6	Correct	108 ms	6484 KB	Output is correct
7	Correct	131 ms	6720 KB	Output is correct
8	Correct	114 ms	6660 KB	Output is correct
9	Correct	109 ms	6480 KB	Output is correct
10	Correct	119 ms	6480 KB	Output is correct
11	Correct	107 ms	6480 KB	Output is correct
12	Correct	107 ms	6636 KB	Output is correct
13	Correct	113 ms	6580 KB	Output is correct
14	Correct	1214 ms	62960 KB	Output is correct
15	Correct	108 ms	6484 KB	Output is correct
16	Correct	1123 ms	63100 KB	Output is correct
17	Correct	1085 ms	63024 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	13 ms	892 KB	Output is correct
3	Correct	12 ms	868 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	10 ms	860 KB	Output is correct
17	Correct	107 ms	6432 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	600 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	344 KB	Output is correct
25	Correct	2 ms	344 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	650 ms	412 KB	Output is correct
29	Correct	0 ms	548 KB	Output is correct
30	Correct	1104 ms	62864 KB	Output is correct
31	Correct	1129 ms	63228 KB	Output is correct
32	Correct	1151 ms	63036 KB	Output is correct
33	Correct	0 ms	344 KB	Output is correct
34	Correct	1124 ms	63012 KB	Output is correct
35	Correct	1129 ms	63000 KB	Output is correct
36	Correct	1108 ms	62852 KB	Output is correct
37	Correct	1119 ms	62868 KB	Output is correct
38	Correct	0 ms	344 KB	Output is correct
39	Correct	112 ms	6460 KB	Output is correct
40	Correct	117 ms	6440 KB	Output is correct
41	Correct	104 ms	6484 KB	Output is correct
42	Correct	108 ms	6508 KB	Output is correct
43	Correct	108 ms	6716 KB	Output is correct
44	Correct	111 ms	6556 KB	Output is correct
45	Correct	103 ms	6640 KB	Output is correct
46	Correct	107 ms	6484 KB	Output is correct
47	Correct	115 ms	6704 KB	Output is correct
48	Correct	111 ms	6560 KB	Output is correct
49	Correct	108 ms	6496 KB	Output is correct
50	Correct	106 ms	6480 KB	Output is correct
51	Correct	1091 ms	62900 KB	Output is correct
52	Correct	1160 ms	63200 KB	Output is correct
53	Correct	1147 ms	62920 KB	Output is correct
54	Correct	108 ms	6480 KB	Output is correct
55	Correct	111 ms	6544 KB	Output is correct
56	Correct	324 ms	404 KB	Output is correct
57	Correct	1 ms	348 KB	Output is correct
58	Correct	115 ms	6608 KB	Output is correct
59	Correct	131 ms	6480 KB	Output is correct
60	Correct	1137 ms	63192 KB	Output is correct
61	Correct	117 ms	6484 KB	Output is correct
62	Correct	108 ms	6484 KB	Output is correct
63	Correct	131 ms	6720 KB	Output is correct
64	Correct	114 ms	6660 KB	Output is correct
65	Correct	109 ms	6480 KB	Output is correct
66	Correct	119 ms	6480 KB	Output is correct
67	Correct	107 ms	6480 KB	Output is correct
68	Correct	107 ms	6636 KB	Output is correct
69	Correct	113 ms	6580 KB	Output is correct
70	Correct	1214 ms	62960 KB	Output is correct
71	Correct	108 ms	6484 KB	Output is correct
72	Correct	1123 ms	63100 KB	Output is correct
73	Correct	1085 ms	63024 KB	Output is correct
74	Correct	0 ms	348 KB	Output is correct
75	Correct	0 ms	348 KB	Output is correct
76	Correct	0 ms	348 KB	Output is correct
77	Correct	0 ms	348 KB	Output is correct
78	Correct	0 ms	348 KB	Output is correct
79	Correct	11 ms	972 KB	Output is correct
80	Correct	1123 ms	62836 KB	Output is correct
81	Correct	1163 ms	62816 KB	Output is correct
82	Correct	1127 ms	63244 KB	Output is correct
83	Correct	1178 ms	63484 KB	Output is correct
84	Correct	1170 ms	62864 KB	Output is correct
85	Correct	1124 ms	62900 KB	Output is correct
86	Correct	304 ms	592 KB	Output is correct
87	Correct	0 ms	348 KB	Output is correct

Submission #977108

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