oj.uz

Submission #795481

# Submission time Handle Problem Language Result Execution time Memory
795481 2023-07-27T10:18:36 Z RecursiveCo Strange Device (APIO19_strange_device) C++14
10 / 100
 564 ms 33472 KB 
// CF template, version 3.0

#include <bits/stdc++.h>

using namespace std;

#define improvePerformance ios_base::sync_with_stdio(false); cin.tie(0)
#define getTest int t; cin >> t
#define eachTest for (int _var=0;_var<t;_var++)
#define get(name) int (name); cin >> (name)
#define out(o) cout << (o)
#define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
#define sortl(name) sort((name).begin(), (name).end())
#define rev(name) reverse((name).begin(), (name).end())
#define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
#define decision(b) if (b){out("YES");}else{out("NO");}

#define int long long int

signed main() {
    improvePerformance;
    //getTest;

    //eachTest {
        get(n);
        get(A);
        get(B);
        bool toobig = 2e18 / A <= B; // should be good enough, theoretically.
        vector<pair<int, int>> events;
        forto(n, i) {
            get(l);
            get(r);
            if (!toobig) {
                if (r - l + 1 >= A * B) {
                    out(A * B);
                    return 0;
                }
                l %= A * B;
                r %= A * B;
            }
            events.push_back({l, 1});
            events.push_back({r, -1});
            if (r < l) {
                events.push_back({0, 1});
                events.push_back({A * B - 1, -1});
            }
        }
        sortl(events);
        int ptr = -1;
        int i = 0;
        int balance = 0;
        int m = events.size();
        int ans = 0;
        while (i <= m) {
            if (i == m || (i != 0 && events[i].first != events[i - 1].first && balance == 0)) {
                ans += events[i - 1].first - ptr + 1;
                ptr = events[i].first;
            }
            if (i == 0) ptr = events[i].first;
            if (i == m) break;
            balance += events[i].second;
            i++;
        }
        out(ans);
    //}
}

Compilation message

strange_device.cpp: In function 'int main()':
strange_device.cpp:10:23: warning: unnecessary parentheses in declaration of 'n' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
strange_device.cpp:25:9: note: in expansion of macro 'get'
   25 |         get(n);
      |         ^~~
strange_device.cpp:10:23: warning: unnecessary parentheses in declaration of 'A' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
strange_device.cpp:26:9: note: in expansion of macro 'get'
   26 |         get(A);
      |         ^~~
strange_device.cpp:10:23: warning: unnecessary parentheses in declaration of 'B' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
strange_device.cpp:27:9: note: in expansion of macro 'get'
   27 |         get(B);
      |         ^~~
strange_device.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
strange_device.cpp:30:9: note: in expansion of macro 'forto'
   30 |         forto(n, i) {
      |         ^~~~~
strange_device.cpp:10:23: warning: unnecessary parentheses in declaration of 'l' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
strange_device.cpp:31:13: note: in expansion of macro 'get'
   31 |             get(l);
      |             ^~~
strange_device.cpp:10:23: warning: unnecessary parentheses in declaration of 'r' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
strange_device.cpp:32:13: note: in expansion of macro 'get'
   32 |             get(r);
      |             ^~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 5 ms 1344 KB Output is correct
3 Correct 5 ms 1344 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 256 ms 33244 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 383 ms 33216 KB Output is correct
3 Incorrect 421 ms 33304 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 383 ms 33216 KB Output is correct
3 Incorrect 421 ms 33304 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 383 ms 33216 KB Output is correct
3 Incorrect 421 ms 33304 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 42 ms 5124 KB Output is correct
3 Correct 47 ms 5224 KB Output is correct
4 Correct 564 ms 33424 KB Output is correct
5 Correct 44 ms 5108 KB Output is correct
6 Correct 47 ms 5100 KB Output is correct
7 Correct 46 ms 5120 KB Output is correct
8 Correct 44 ms 5108 KB Output is correct
9 Correct 41 ms 5152 KB Output is correct
10 Correct 46 ms 5188 KB Output is correct
11 Correct 49 ms 5164 KB Output is correct
12 Correct 36 ms 5200 KB Output is correct
13 Correct 42 ms 5188 KB Output is correct
14 Correct 443 ms 33472 KB Output is correct
15 Incorrect 49 ms 5080 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 5 ms 1344 KB Output is correct
3 Correct 5 ms 1344 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -