Submission #125424

#	Time	Username	Problem	Language	Result	Execution time	Memory
125424		Touubs	CATS (NOI14_cats)	C++17	16 / 25	684 ms	2784 KiB

cats

        #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 << min(62ull, level)));
            dout << "counter per iter" << counterPerIter;
            

            int flips = 0;
            if (counterPerIter != 0) X = X % counterPerIter;
         
            dout << "counterPerIter: " << counterPerIter << 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 (stderr)

cats.cpp: In function 'void testcase()':
cats.cpp:9:17: warning: unused variable 'originalX' [-Wunused-variable]
             int originalX = X;
                 ^~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 4 / 4
• Subtask 3: 4 / 4
• Subtask 4: 4 / 4
• Subtask 5: 0 / 4
• Subtask 6: 0 / 5