oj.uz

Submission #707884

# Submission time Handle Problem Language Result Execution time Memory
707884 2023-03-10T10:54:01 Z Alihan_8 Strange Device (APIO19_strange_device) C++17
10 / 100
 5000 ms 524288 KB 
#include <bits/stdc++.h>
// include <ext/pb_ds/assoc_container.hpp>
// include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
using namespace std;
#define all(x) x.begin(), x.end()
#define pb push_back
// define ordered_set tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>
#define mpr make_pair
#define ln '\n'
void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
#define int long long
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n, a, b; cin >> n >> a >> b;
    set <pair<int,int>> st;
    for ( int i = 0; i < n; i++ ){
        int l, r; cin >> l >> r;
        for ( int k = l; k <= r; k++ ){
            int x = (k+k/b)%a, y = k%b;
            st.insert({x, y});
        }
    }
    cout << (int)st.size();

    cout << '\n';
}

Compilation message

strange_device.cpp: In function 'void IO(std::string)':
strange_device.cpp:11:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 | void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
strange_device.cpp:11:70: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 | void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                                                               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 39 ms 12640 KB Output is correct
3 Correct 61 ms 18252 KB Output is correct
4 Correct 2 ms 852 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 2 ms 564 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 6 ms 1108 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 316 KB Output is correct
15 Correct 34 ms 7020 KB Output is correct
16 Correct 24 ms 7116 KB Output is correct
17 Correct 59 ms 9676 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 1 ms 212 KB Output is correct
2 Runtime error 2623 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 127 ms 32328 KB Output is correct
3 Correct 162 ms 32016 KB Output is correct
4 Correct 104 ms 30556 KB Output is correct
5 Execution timed out 5049 ms 62540 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 511 ms 64772 KB Output is correct
3 Runtime error 1690 ms 524288 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 511 ms 64772 KB Output is correct
3 Runtime error 1690 ms 524288 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 511 ms 64772 KB Output is correct
3 Runtime error 1690 ms 524288 KB Execution killed with signal 9
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 Runtime error 1334 ms 524288 KB Execution killed with signal 9
3 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 39 ms 12640 KB Output is correct
3 Correct 61 ms 18252 KB Output is correct
4 Correct 2 ms 852 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 2 ms 564 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 6 ms 1108 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 316 KB Output is correct
15 Correct 34 ms 7020 KB Output is correct
16 Correct 24 ms 7116 KB Output is correct
17 Correct 59 ms 9676 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Runtime error 2623 ms 524288 KB Execution killed with signal 9
21 Halted 0 ms 0 KB -