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Submission #597799

# Submission time Handle Problem Language Result Execution time Memory
597799 2022-07-16T22:12:50 Z Ozy Strange Device (APIO19_strange_device) C++17
65 / 100
 566 ms 33372 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(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 0 ms 212 KB Output is correct
2 Correct 5 ms 896 KB Output is correct
3 Correct 6 ms 856 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 0 ms 212 KB Output is correct
9 Correct 0 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 856 KB Output is correct
17 Correct 54 ms 4536 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 1 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 323 ms 33164 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 521 ms 33168 KB Output is correct
3 Correct 467 ms 33300 KB Output is correct
4 Correct 456 ms 33372 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 521 ms 33168 KB Output is correct
3 Correct 467 ms 33300 KB Output is correct
4 Correct 456 ms 33372 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 464 ms 33192 KB Output is correct
7 Correct 440 ms 33208 KB Output is correct
8 Correct 465 ms 33316 KB Output is correct
9 Correct 513 ms 33324 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 521 ms 33168 KB Output is correct
3 Correct 467 ms 33300 KB Output is correct
4 Correct 456 ms 33372 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 43 ms 4508 KB Output is correct
7 Correct 45 ms 4556 KB Output is correct
8 Correct 41 ms 4520 KB Output is correct
9 Correct 55 ms 4532 KB Output is correct
10 Correct 53 ms 4544 KB Output is correct
11 Correct 58 ms 4456 KB Output is correct
12 Correct 47 ms 4480 KB Output is correct
13 Correct 46 ms 4556 KB Output is correct
14 Correct 43 ms 4512 KB Output is correct
15 Correct 50 ms 4568 KB Output is correct
16 Correct 61 ms 4524 KB Output is correct
17 Correct 43 ms 4520 KB Output is correct
18 Correct 461 ms 33248 KB Output is correct
19 Correct 442 ms 33172 KB Output is correct
20 Correct 523 ms 33196 KB Output is correct
21 Correct 51 ms 4456 KB Output is correct
22 Correct 41 ms 4556 KB Output is correct
23 Correct 122 ms 16808 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 53 ms 4540 KB Output is correct
3 Correct 51 ms 4464 KB Output is correct
4 Correct 566 ms 33260 KB Output is correct
5 Correct 47 ms 4540 KB Output is correct
6 Correct 58 ms 4552 KB Output is correct
7 Correct 54 ms 4456 KB Output is correct
8 Correct 53 ms 4556 KB Output is correct
9 Correct 49 ms 4556 KB Output is correct
10 Correct 51 ms 4552 KB Output is correct
11 Correct 48 ms 4556 KB Output is correct
12 Correct 42 ms 4460 KB Output is correct
13 Correct 49 ms 4484 KB Output is correct
14 Correct 540 ms 33280 KB Output is correct
15 Correct 52 ms 4540 KB Output is correct
16 Correct 485 ms 33320 KB Output is correct
17 Correct 458 ms 33360 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 5 ms 896 KB Output is correct
3 Correct 6 ms 856 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 0 ms 212 KB Output is correct
9 Correct 0 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 856 KB Output is correct
17 Correct 54 ms 4536 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Incorrect 1 ms 212 KB Output isn't correct
21 Halted 0 ms 0 KB -