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Submission #597800

# Submission time Handle Problem Language Result Execution time Memory
597800 2022-07-16T22:15:57 Z Ozy Strange Device (APIO19_strange_device) C++17
65 / 100
 605 ms 33396 KB 
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define lli unsigned long long int
#define debug(a) cout << #a << " = " << a << endl
#define debugsl(a) cout << #a << " = " << a << ", "
#define rep(i,a,b) for(int i = (a); i <= (b); i++)
#define repa(i,a,b) for(int i = (a); i >= (b); i--)

#define LIM (1ll << 62)

lli a,b,n,cont,x,y,mult,ini,res,k;
vector<pair<lli,lli> > orden;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n >> a >> b;
    k = a/__gcd<long long>(a,b+1);

    if (LIM/k < b) mult = LIM;
    else {
        mult = k*b;
    }

    rep(i,1,n) {
        cin >> x >> y;

        if (x == y) {
            x %= mult;
            orden.push_back({x,1});
            orden.push_back({x,2});
            continue;
        }

        x %= mult;
        y %= mult;

        if (x >= y) {
            orden.push_back({0,1});
            orden.push_back({mult-1,2});
        }
        orden.push_back({x,1});
        orden.push_back({y,2});
    }

    sort(orden.begin(), orden.end());

    ini = -1;
    cont = 0;
    res = 0;
    for (auto act:orden) {

        if (act.second == 1) {
            cont++;
            if (ini == -1) ini = act.first;
        }
        else cont--;

        if (cont == 0) {
            res += (act.first - ini) + 1;
            ini = -1;
        }
    }

    cout << res;
}

Compilation message

strange_device.cpp: In function 'int main()':
strange_device.cpp:7:39: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
    7 | #define rep(i,a,b) for(int i = (a); i <= (b); i++)
      |                                       ^
strange_device.cpp:28:5: note: in expansion of macro 'rep'
   28 |     rep(i,1,n) {
      |     ^~~
strange_device.cpp:58:21: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare]
   58 |             if (ini == -1) ini = act.first;
      |                 ~~~~^~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 5 ms 868 KB Output is correct
3 Correct 5 ms 984 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 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 0 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 0 ms 212 KB Output is correct
12 Correct 0 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 0 ms 212 KB Output is correct
16 Correct 5 ms 984 KB Output is correct
17 Correct 50 ms 4572 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 292 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 339 ms 33180 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 456 ms 33184 KB Output is correct
3 Correct 472 ms 33276 KB Output is correct
4 Correct 448 ms 33248 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 456 ms 33184 KB Output is correct
3 Correct 472 ms 33276 KB Output is correct
4 Correct 448 ms 33248 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 472 ms 33376 KB Output is correct
7 Correct 438 ms 33396 KB Output is correct
8 Correct 487 ms 33256 KB Output is correct
9 Correct 530 ms 33264 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 456 ms 33184 KB Output is correct
3 Correct 472 ms 33276 KB Output is correct
4 Correct 448 ms 33248 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 44 ms 4452 KB Output is correct
7 Correct 45 ms 4628 KB Output is correct
8 Correct 42 ms 4556 KB Output is correct
9 Correct 43 ms 4524 KB Output is correct
10 Correct 42 ms 4512 KB Output is correct
11 Correct 51 ms 4556 KB Output is correct
12 Correct 50 ms 4516 KB Output is correct
13 Correct 47 ms 4556 KB Output is correct
14 Correct 41 ms 4568 KB Output is correct
15 Correct 50 ms 4496 KB Output is correct
16 Correct 57 ms 4520 KB Output is correct
17 Correct 58 ms 4456 KB Output is correct
18 Correct 474 ms 33320 KB Output is correct
19 Correct 441 ms 33288 KB Output is correct
20 Correct 534 ms 33188 KB Output is correct
21 Correct 49 ms 4548 KB Output is correct
22 Correct 38 ms 4548 KB Output is correct
23 Correct 130 ms 16856 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 48 ms 4552 KB Output is correct
3 Correct 48 ms 4556 KB Output is correct
4 Correct 605 ms 33244 KB Output is correct
5 Correct 56 ms 4548 KB Output is correct
6 Correct 50 ms 4556 KB Output is correct
7 Correct 65 ms 4512 KB Output is correct
8 Correct 49 ms 4556 KB Output is correct
9 Correct 46 ms 4512 KB Output is correct
10 Correct 51 ms 4460 KB Output is correct
11 Correct 51 ms 4532 KB Output is correct
12 Correct 41 ms 4464 KB Output is correct
13 Correct 49 ms 4456 KB Output is correct
14 Correct 540 ms 33272 KB Output is correct
15 Correct 51 ms 4548 KB Output is correct
16 Correct 450 ms 33288 KB Output is correct
17 Correct 440 ms 33332 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 5 ms 868 KB Output is correct
3 Correct 5 ms 984 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 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 0 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 0 ms 212 KB Output is correct
12 Correct 0 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 0 ms 212 KB Output is correct
16 Correct 5 ms 984 KB Output is correct
17 Correct 50 ms 4572 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 292 KB Output is correct
20 Incorrect 0 ms 212 KB Output isn't correct
21 Halted 0 ms 0 KB -