Submission #1082194
Source Code Expand
#include <cstdio> #include <vector> #include <algorithm> #include <functional> #include <tuple> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <array> #include <valarray> using namespace std; int main() { int N; scanf("%d\n", &N); // vector<int> X(N); unordered_map<int, int> cards; for (int i = 0; i < N; ++i){ int Xi; scanf("%d", &Xi); getchar(); // X[i] = Xi; if (cards.count(Xi)){ ++cards[Xi]; if (cards[Xi] == 3) cards[Xi] = 1; }else{ cards.emplace(Xi, 1); } } int single = 0; int dual = 0; for (auto& card : cards){ if (card.second == 1){ ++single; }else{ ++dual; } } printf("%d\n", single + dual - (dual % 2)); }
Submission Info
Submission Time | |
---|---|
Task | D - Card Eater |
User | painfulness |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 882 Byte |
Status | AC |
Exec Time | 28 ms |
Memory | 4388 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:18:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &N); ^ ./Main.cpp:23:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &Xi); getchar(); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
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Set Name | Test Cases |
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Sample | 00_example_01.txt, 00_example_02.txt |
All | 00_example_01.txt, 00_example_02.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_example_01.txt | AC | 3 ms | 256 KB |
00_example_02.txt | AC | 3 ms | 256 KB |
01.txt | AC | 3 ms | 256 KB |
02.txt | AC | 4 ms | 256 KB |
03.txt | AC | 3 ms | 256 KB |
04.txt | AC | 3 ms | 256 KB |
05.txt | AC | 3 ms | 256 KB |
06.txt | AC | 21 ms | 256 KB |
07.txt | AC | 20 ms | 256 KB |
08.txt | AC | 23 ms | 640 KB |
09.txt | AC | 21 ms | 256 KB |
10.txt | AC | 22 ms | 256 KB |
11.txt | AC | 24 ms | 512 KB |
12.txt | AC | 20 ms | 256 KB |
13.txt | AC | 21 ms | 384 KB |
14.txt | AC | 28 ms | 4388 KB |
15.txt | AC | 17 ms | 256 KB |