Submission #9501

#TimeUsernameProblemLanguageResultExecution timeMemory
9501shashackWiring (kriii2_W)C++98
4 / 4
0 ms1672 KiB
#include <iostream> #include <iomanip> #include <stdlib.h> #include <stdio.h> #include <algorithm> #include <assert.h> #include <bitset> #include <cstring> #include <cstdlib> #include <ctime> #include <map> #include <math.h> #include <malloc.h> #include <numeric> #include <string> #include <stack> #include <queue> #include <vector> #pragma warning(disable:4996) #define REP(variable, repeatnumber) for(int variable=0; variable<(repeatnumber); ++variable) #define FOR(variable, start, end) for(int variable=(start); variable<=(end); ++variable) #define RFOR(variable, start, end) for(int variable=(start); variable>=(end); --variable) #define ULL unsigned long long #define LL long long using namespace std; // 700B LL a = 0, b = 0, c = 0, d = 0, n; int t; int main(){ cin >> n; if (!(n & 1)) n -= 1; else n = (n - 1) / 2; cout << n << endl; return 0; }
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