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Submission #444240

# Submission time Handle Problem Language Result Execution time Memory
444240 2021-07-13T12:21:28 Z qwerasdfzxcl Strange Device (APIO19_strange_device) C++14
100 / 100
 666 ms 25456 KB 
#include <bits/stdc++.h>

typedef __int128_t l128;
typedef long long ll;
using namespace std;


int main(){
    int n;
    ll x, y;
    scanf("%d %lld %lld", &n, &x, &y);
    l128 t = y;
    t *= x/__gcd(x, y+1);
    ll MOD = (ll)1e18+10;
    if (t<=(ll)1e18+10) MOD = t;
    //printf("%lld\n", MOD);

    vector<pair<ll, ll>> ran;
    for (int i=0;i<n;i++){
        ll tmp1, tmp2;
        scanf("%lld %lld", &tmp1, &tmp2);
        if (tmp2-tmp1+1>=MOD) {printf("%lld\n", MOD); return 0;}
        tmp2++;
        tmp1 %= MOD, tmp2 %= MOD;
        if (tmp2<tmp1){
            ran.emplace_back(tmp1, MOD);
            ran.emplace_back(0, tmp2);
        }
        else ran.emplace_back(tmp1, tmp2);
    }
    sort(ran.begin(), ran.end());
    ll ans = 0;
    pair<ll, ll> cur = {0, 0};
    n = ran.size();
    for (int i=0;i<n;i++){
        if (cur.first<=ran[i].first && ran[i].first<=cur.second){
            ans += max(ran[i].second-cur.second, 0LL);
            cur.second = max(cur.second, ran[i].second);
        }
        else{
            ans += ran[i].second-ran[i].first;
            cur = ran[i];
        }
    }
    printf("%lld\n", ans);
    return 0;
}

Compilation message

strange_device.cpp: In function 'int main()':
strange_device.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     scanf("%d %lld %lld", &n, &x, &y);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
strange_device.cpp:21:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |         scanf("%lld %lld", &tmp1, &tmp2);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 5 ms 588 KB Output is correct
3 Correct 6 ms 972 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 288 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 296 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 6 ms 972 KB Output is correct
17 Correct 55 ms 5584 KB Output is correct
18 Correct 1 ms 204 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 366 ms 17000 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 506 ms 16736 KB Output is correct
3 Correct 499 ms 16768 KB Output is correct
4 Correct 496 ms 16808 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 506 ms 16736 KB Output is correct
3 Correct 499 ms 16768 KB Output is correct
4 Correct 496 ms 16808 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 512 ms 16820 KB Output is correct
7 Correct 511 ms 16916 KB Output is correct
8 Correct 509 ms 16828 KB Output is correct
9 Correct 557 ms 16820 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 506 ms 16736 KB Output is correct
3 Correct 499 ms 16768 KB Output is correct
4 Correct 496 ms 16808 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 50 ms 2476 KB Output is correct
7 Correct 53 ms 2432 KB Output is correct
8 Correct 51 ms 2380 KB Output is correct
9 Correct 52 ms 2576 KB Output is correct
10 Correct 49 ms 2472 KB Output is correct
11 Correct 51 ms 2408 KB Output is correct
12 Correct 49 ms 2464 KB Output is correct
13 Correct 66 ms 2428 KB Output is correct
14 Correct 49 ms 2364 KB Output is correct
15 Correct 55 ms 2388 KB Output is correct
16 Correct 55 ms 5612 KB Output is correct
17 Correct 52 ms 5608 KB Output is correct
18 Correct 511 ms 25244 KB Output is correct
19 Correct 508 ms 25172 KB Output is correct
20 Correct 625 ms 25180 KB Output is correct
21 Correct 55 ms 5668 KB Output is correct
22 Correct 49 ms 5632 KB Output is correct
23 Correct 166 ms 18420 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 54 ms 2416 KB Output is correct
3 Correct 53 ms 2384 KB Output is correct
4 Correct 637 ms 16752 KB Output is correct
5 Correct 52 ms 2492 KB Output is correct
6 Correct 52 ms 2356 KB Output is correct
7 Correct 52 ms 2436 KB Output is correct
8 Correct 58 ms 2448 KB Output is correct
9 Correct 52 ms 2444 KB Output is correct
10 Correct 68 ms 2388 KB Output is correct
11 Correct 80 ms 2388 KB Output is correct
12 Correct 51 ms 2408 KB Output is correct
13 Correct 55 ms 2380 KB Output is correct
14 Correct 579 ms 16740 KB Output is correct
15 Correct 58 ms 5656 KB Output is correct
16 Correct 562 ms 25256 KB Output is correct
17 Correct 512 ms 25220 KB Output is correct
18 Correct 0 ms 204 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 5 ms 588 KB Output is correct
3 Correct 6 ms 972 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 288 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 296 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 6 ms 972 KB Output is correct
17 Correct 55 ms 5584 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 366 ms 17000 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 506 ms 16736 KB Output is correct
31 Correct 499 ms 16768 KB Output is correct
32 Correct 496 ms 16808 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 512 ms 16820 KB Output is correct
35 Correct 511 ms 16916 KB Output is correct
36 Correct 509 ms 16828 KB Output is correct
37 Correct 557 ms 16820 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 50 ms 2476 KB Output is correct
40 Correct 53 ms 2432 KB Output is correct
41 Correct 51 ms 2380 KB Output is correct
42 Correct 52 ms 2576 KB Output is correct
43 Correct 49 ms 2472 KB Output is correct
44 Correct 51 ms 2408 KB Output is correct
45 Correct 49 ms 2464 KB Output is correct
46 Correct 66 ms 2428 KB Output is correct
47 Correct 49 ms 2364 KB Output is correct
48 Correct 55 ms 2388 KB Output is correct
49 Correct 55 ms 5612 KB Output is correct
50 Correct 52 ms 5608 KB Output is correct
51 Correct 511 ms 25244 KB Output is correct
52 Correct 508 ms 25172 KB Output is correct
53 Correct 625 ms 25180 KB Output is correct
54 Correct 55 ms 5668 KB Output is correct
55 Correct 49 ms 5632 KB Output is correct
56 Correct 166 ms 18420 KB Output is correct
57 Correct 0 ms 204 KB Output is correct
58 Correct 54 ms 2416 KB Output is correct
59 Correct 53 ms 2384 KB Output is correct
60 Correct 637 ms 16752 KB Output is correct
61 Correct 52 ms 2492 KB Output is correct
62 Correct 52 ms 2356 KB Output is correct
63 Correct 52 ms 2436 KB Output is correct
64 Correct 58 ms 2448 KB Output is correct
65 Correct 52 ms 2444 KB Output is correct
66 Correct 68 ms 2388 KB Output is correct
67 Correct 80 ms 2388 KB Output is correct
68 Correct 51 ms 2408 KB Output is correct
69 Correct 55 ms 2380 KB Output is correct
70 Correct 579 ms 16740 KB Output is correct
71 Correct 58 ms 5656 KB Output is correct
72 Correct 562 ms 25256 KB Output is correct
73 Correct 512 ms 25220 KB Output is correct
74 Correct 0 ms 204 KB Output is correct
75 Correct 0 ms 204 KB Output is correct
76 Correct 0 ms 204 KB Output is correct
77 Correct 0 ms 204 KB Output is correct
78 Correct 0 ms 204 KB Output is correct
79 Correct 7 ms 972 KB Output is correct
80 Correct 646 ms 25456 KB Output is correct
81 Correct 666 ms 25248 KB Output is correct
82 Correct 551 ms 25152 KB Output is correct
83 Correct 539 ms 25360 KB Output is correct
84 Correct 562 ms 25204 KB Output is correct
85 Correct 549 ms 25244 KB Output is correct
86 Correct 162 ms 18372 KB Output is correct
87 Correct 0 ms 204 KB Output is correct