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Submission #252823

# Submission time Handle Problem Language Result Execution time Memory
252823 2020-07-26T10:17:59 Z Erkhemkhuu Strange Device (APIO19_strange_device) C++17
100 / 100
 2305 ms 16216 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define mp make_pair
#define F first
#define S second
const ll N = 1000005;
const ll lim = 1e18;
pair <ll, ll> arr[N];
int main() {
    ll n, a, b, t, m, i, sz, l, r, ans;
    cin >> n >> a >> b;
    t = a / (__gcd(a, b + 1));
    m = ((t > lim / b) ? (lim + 1) : (t * b));
    sz = 0;
    while(n--) {
        cin >> l >> r;
        if(r - l + 1 >= m) {
            cout << m << "\n";
            return 0;
        }
        l %= m;
        r %= m;
        if(l <= r) {
            arr[++sz].F = l;
            arr[sz].S = r;
        }
        else {
            arr[++sz].F = l;
            arr[sz].S = m - 1;
            arr[++sz].F = 0;
            arr[sz].S = r;
        }
    }
    sort(arr + 1, arr + sz + 1);
    ans = 0; r = -1;
    for(i = 1; i <= sz; i++) {
        r = max(r, arr[i].F - 1);
        ans += max(0ll, arr[i].S - r);
        r = max(r, arr[i].S);
    }
    cout << ans << "\n";
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 22 ms 512 KB Output is correct
3 Correct 22 ms 512 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 22 ms 512 KB Output is correct
17 Correct 224 ms 1832 KB Output is correct
18 Correct 0 ms 256 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 1488 ms 16108 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 2089 ms 16092 KB Output is correct
3 Correct 2096 ms 16024 KB Output is correct
4 Correct 2106 ms 16036 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 2089 ms 16092 KB Output is correct
3 Correct 2096 ms 16024 KB Output is correct
4 Correct 2106 ms 16036 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 2117 ms 16016 KB Output is correct
7 Correct 2133 ms 15988 KB Output is correct
8 Correct 2133 ms 16024 KB Output is correct
9 Correct 2178 ms 16060 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 2089 ms 16092 KB Output is correct
3 Correct 2096 ms 16024 KB Output is correct
4 Correct 2106 ms 16036 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 210 ms 1912 KB Output is correct
7 Correct 210 ms 1912 KB Output is correct
8 Correct 210 ms 1912 KB Output is correct
9 Correct 210 ms 1912 KB Output is correct
10 Correct 209 ms 1912 KB Output is correct
11 Correct 212 ms 1912 KB Output is correct
12 Correct 207 ms 1912 KB Output is correct
13 Correct 211 ms 1916 KB Output is correct
14 Correct 211 ms 1916 KB Output is correct
15 Correct 214 ms 1912 KB Output is correct
16 Correct 213 ms 1916 KB Output is correct
17 Correct 214 ms 1912 KB Output is correct
18 Correct 2095 ms 16044 KB Output is correct
19 Correct 2074 ms 16120 KB Output is correct
20 Correct 2146 ms 15944 KB Output is correct
21 Correct 215 ms 1912 KB Output is correct
22 Correct 209 ms 1912 KB Output is correct
23 Correct 704 ms 5752 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 209 ms 2040 KB Output is correct
3 Correct 233 ms 1912 KB Output is correct
4 Correct 2305 ms 15992 KB Output is correct
5 Correct 222 ms 2040 KB Output is correct
6 Correct 215 ms 2040 KB Output is correct
7 Correct 208 ms 1912 KB Output is correct
8 Correct 214 ms 1884 KB Output is correct
9 Correct 221 ms 1928 KB Output is correct
10 Correct 210 ms 1912 KB Output is correct
11 Correct 213 ms 1912 KB Output is correct
12 Correct 207 ms 1912 KB Output is correct
13 Correct 213 ms 1912 KB Output is correct
14 Correct 2139 ms 15944 KB Output is correct
15 Correct 215 ms 1912 KB Output is correct
16 Correct 2101 ms 16120 KB Output is correct
17 Correct 2074 ms 16032 KB Output is correct
18 Correct 0 ms 256 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 22 ms 512 KB Output is correct
3 Correct 22 ms 512 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 22 ms 512 KB Output is correct
17 Correct 224 ms 1832 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 1488 ms 16108 KB Output is correct
29 Correct 0 ms 256 KB Output is correct
30 Correct 2089 ms 16092 KB Output is correct
31 Correct 2096 ms 16024 KB Output is correct
32 Correct 2106 ms 16036 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 2117 ms 16016 KB Output is correct
35 Correct 2133 ms 15988 KB Output is correct
36 Correct 2133 ms 16024 KB Output is correct
37 Correct 2178 ms 16060 KB Output is correct
38 Correct 0 ms 256 KB Output is correct
39 Correct 210 ms 1912 KB Output is correct
40 Correct 210 ms 1912 KB Output is correct
41 Correct 210 ms 1912 KB Output is correct
42 Correct 210 ms 1912 KB Output is correct
43 Correct 209 ms 1912 KB Output is correct
44 Correct 212 ms 1912 KB Output is correct
45 Correct 207 ms 1912 KB Output is correct
46 Correct 211 ms 1916 KB Output is correct
47 Correct 211 ms 1916 KB Output is correct
48 Correct 214 ms 1912 KB Output is correct
49 Correct 213 ms 1916 KB Output is correct
50 Correct 214 ms 1912 KB Output is correct
51 Correct 2095 ms 16044 KB Output is correct
52 Correct 2074 ms 16120 KB Output is correct
53 Correct 2146 ms 15944 KB Output is correct
54 Correct 215 ms 1912 KB Output is correct
55 Correct 209 ms 1912 KB Output is correct
56 Correct 704 ms 5752 KB Output is correct
57 Correct 0 ms 256 KB Output is correct
58 Correct 209 ms 2040 KB Output is correct
59 Correct 233 ms 1912 KB Output is correct
60 Correct 2305 ms 15992 KB Output is correct
61 Correct 222 ms 2040 KB Output is correct
62 Correct 215 ms 2040 KB Output is correct
63 Correct 208 ms 1912 KB Output is correct
64 Correct 214 ms 1884 KB Output is correct
65 Correct 221 ms 1928 KB Output is correct
66 Correct 210 ms 1912 KB Output is correct
67 Correct 213 ms 1912 KB Output is correct
68 Correct 207 ms 1912 KB Output is correct
69 Correct 213 ms 1912 KB Output is correct
70 Correct 2139 ms 15944 KB Output is correct
71 Correct 215 ms 1912 KB Output is correct
72 Correct 2101 ms 16120 KB Output is correct
73 Correct 2074 ms 16032 KB Output is correct
74 Correct 0 ms 256 KB Output is correct
75 Correct 0 ms 256 KB Output is correct
76 Correct 1 ms 256 KB Output is correct
77 Correct 0 ms 256 KB Output is correct
78 Correct 1 ms 256 KB Output is correct
79 Correct 22 ms 512 KB Output is correct
80 Correct 2230 ms 16168 KB Output is correct
81 Correct 2156 ms 15992 KB Output is correct
82 Correct 2181 ms 16096 KB Output is correct
83 Correct 2156 ms 16024 KB Output is correct
84 Correct 2265 ms 16216 KB Output is correct
85 Correct 2147 ms 16000 KB Output is correct
86 Correct 689 ms 5624 KB Output is correct
87 Correct 1 ms 256 KB Output is correct