oj.uz

Submission #125413

# Submission time Handle Problem Language Result Execution time Memory
125413 2019-07-05T09:12:17 Z Touubs CATS (NOI14_cats) C++17
0 / 25
 663 ms 2360 KB 
    #include <bits/stdc++.h>
    using namespace std;
    #define dout if(false) cout
    #define int unsigned long long
     
    void testcase() {
        int X, L, N;
        cin >> X >> L >> N;
        int originalX = X;
        X--;
     
        int level = L/(2*N) + 1;
        dout << "level: " << level << endl;
     
        int counterPerIter = (2 << level) | -1ull;
        int flipPerIter = 2 * counterPerIter - 1;
     
        int iterations = X / counterPerIter;
        int flips = 0;
     
        X = X % counterPerIter;
     
        dout << "counterPerIter: " << counterPerIter << endl;
        dout << "flipPerIter: " << flipPerIter << endl;
     
        while (X > 0) {
            //cout << "X: " << X << ", flips: " << flips << " | ";
            if ((X & 1) == 1) flips = flips ^ 1;
            X = X >> 1;
        }
     
        dout << endl << "end. flips: " << flips << endl;
        int min = (L/(2*N) + 1) * (2*N);
        cout << ((min ^ ((flips) & 1))) << endl;
    }
     
    signed main() {
        int Q;
        cin >> Q;
        for (int i = 0; i < Q; i++) {
            testcase();
        }
        
    }

Compilation message

cats.cpp: In function 'void testcase()':
cats.cpp:9:13: warning: unused variable 'originalX' [-Wunused-variable]
         int originalX = X;
             ^~~~~~~~~
cats.cpp:18:13: warning: unused variable 'iterations' [-Wunused-variable]
         int iterations = X / counterPerIter;
             ^~~~~~~~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 376 KB Output is correct
2 Incorrect 7 ms 376 KB Output isn't correct

Subtask #5
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 376 KB Output is correct
2 Incorrect 51 ms 564 KB Output isn't correct

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 559 ms 2360 KB Output is correct
2 Incorrect 663 ms 2304 KB Output isn't correct