結果
| 問題 | No.120 傾向と対策:門松列(その1) |
| コンテスト | |
| ユーザー |
latte0119
|
| 提出日時 | 2016-01-11 19:11:22 |
| 言語 | C++11 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 16 ms / 5,000 ms |
| コード長 | 1,076 bytes |
| 記録 | |
| コンパイル時間 | 990 ms |
| コンパイル使用メモリ | 188,860 KB |
| 実行使用メモリ | 7,972 KB |
| 最終ジャッジ日時 | 2026-04-08 06:42:59 |
| 合計ジャッジ時間 | 1,789 ms |
|
ジャッジサーバーID (参考情報) |
judge3_0 / judge2_1 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 4 |
コンパイルメッセージ
main.cpp: In function 'int main()':
main.cpp:44:12: warning: ignoring return value of 'std::basic_ostream<_CharT, _Traits>* std::basic_ios<_CharT, _Traits>::tie() const [with _CharT = char; _Traits = std::char_traits<char>]', declared with attribute 'nodiscard' [-Wunused-result]
44 | cin.tie();
| ~~~~~~~^~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/ios:48,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/istream:42,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/sstream:42,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/complex:50,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/ccomplex:43,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/x86_64-pc-linux-gnu/bits/stdc++.h:133,
from main.cpp:1:
/home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/basic_ios.h:310:7: note: declared here
310 | tie() const
| ^~~
ソースコード
#include<bits/stdc++.h>
using namespace std;
//#define int long long
typedef pair<int,int>pint;
typedef vector<int>vint;
typedef vector<pint>vpint;
#define endl '\n'
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define all(v) (v).begin(),(v).end()
#define rep(i,n) for(int i=0;i<(n);i++)
#define reps(i,f,n) for(int i=(f);i<(n);i++)
#define each(it,v) for(__typeof((v).begin()) it=(v).begin();it!=(v).end();it++)
template<class T,class U>void chmin(T &t,U f){if(t>f)t=f;}
template<class T,class U>void chmax(T &t,U f){if(t<f)t=f;}
void solve(){
int N;cin>>N;
map<int,int>M;
rep(i,N){
int l;cin>>l;M[l]++;
}
priority_queue<int>que;
each(it,M)que.push(it->second);
int ans=0;
while(que.size()>=3){
int tmp[3];
rep(i,3){
tmp[i]=que.top();que.pop();
tmp[i]--;
}
ans++;
rep(i,3)if(tmp[i])que.push(tmp[i]);
}
cout<<ans<<endl;
}
int main(){
cin.tie();
ios_base::sync_with_stdio(0);
int T;cin>>T;
while(T--)solve();
}
latte0119