Submission #5556163
Source Code Expand
#pragma region include #include <iostream> #include <vector> #include <algorithm> #include <map> #include <string> #include <queue> #include <stack> #include <cmath> #include <set> #include <cstdio> #define ALL(obj) (obj).begin(),(obj).end() #define RALL(obj) (obj).rbegin(),(obj).rend() #define REP(i, n) for(int i = 0; i < n; i++) #define REPR(i, n) for(int i = n; i >= 0; i--) #define FOR(i, m, n) for(int i = m; i < n; i++) #define MOD 1000000007 #define INF 1000000000 #define LLINF 4000000000000000000 using namespace std; typedef long long ll; typedef pair<int, int> PII; typedef vector<int> VI; typedef vector<VI> VVI; #pragma endregion //#define __DEBUG__ #ifdef __DEBUG__ #define dump(x) cerr << #x << " = " << (x) << " [" << __LINE__ << ":" << __FUNCTION__ << "] " << endl; // vector出力 template<typename T> ostream& operator << (ostream& os, vector<T>& v) { os << "{"; REP(i, (int)v.size()) { os << v[i] << (i < v.size() - 1 ? ", " : ""); } os << "}"; return os; } // pair出力 template<typename T, typename U> ostream& operator << (ostream& os, pair<T, U>& p) { return os << "(" << p.first << ", " << p.second << ")"; } // map出力 template<typename T, typename U> ostream& operator << (ostream& os, map<T, U>& map_var) { os << "{"; for (auto itr = map_var.begin(); itr != map_var.end(); itr++) { os << "(" << itr->first << ", " << itr->second << ")"; itr++; if (itr != map_var.end()) os << ", "; itr--; } os << "}"; return os; } // set 出力 template<typename T> ostream& operator << (ostream& os, set<T>& set_var) { os << "{"; for (auto itr = set_var.begin(); itr != set_var.end(); itr++) { os << *itr; ++itr; if (itr != set_var.end()) os << ", "; itr--; } os << "}"; return os; } #endif int main() { cin.tie(0); ios::sync_with_stdio(false); int N, cnt = 0,ans = 0; cin >> N; VI A(100000, 0); REP(i, N) { int a; scanf_s("%d", &a); a--; A[a]++; } REP(i, 100000) { if (A[i] == 0) continue; ans++; if (A[i] % 2 == 0) { cnt++; } } if (cnt % 2 == 1) ans--; cout << ans << endl; getchar(); getchar(); }
Submission Info
Submission Time | |
---|---|
Task | D - Card Eater |
User | kanpurin |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 2350 Byte |
Status | CE |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:77:25: error: ‘scanf_s’ was not declared in this scope scanf_s("%d", &a); ^