結果
問題 |
No.2779 Don't make Pair
|
ユーザー |
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提出日時 | 2024-06-07 22:15:33 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 100 ms / 2,000 ms |
コード長 | 1,350 bytes |
コンパイル時間 | 4,280 ms |
コンパイル使用メモリ | 254,944 KB |
最終ジャッジ日時 | 2025-02-21 20:21:32 |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 5 |
other | AC * 24 |
コンパイルメッセージ
In function ‘bool chmin(T&, const T&) [with T = long long int]’, inlined from ‘int main()’ at main.cpp:44:10: main.cpp:22:49: warning: ‘R’ may be used uninitialized [-Wmaybe-uninitialized] 22 | template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } | ^~ main.cpp: In function ‘int main()’: main.cpp:30:11: note: ‘R’ was declared here 30 | ll L, R; | ^ main.cpp:4:40: warning: ‘L’ may be used uninitialized [-Wmaybe-uninitialized] 4 | #define rep2(i,m,n) for(int (i)=(m);(i)<(n);(i)++) | ~~~^~~~ main.cpp:47:5: note: in expansion of macro ‘rep2’ 47 | rep2(i,L,R) ans.push_back(i); | ^~~~ main.cpp:30:8: note: ‘L’ was declared here 30 | ll L, R; | ^
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) #define rep2(i,m,n) for(int (i)=(m);(i)<(n);(i)++) #define rep2ll(i,m,n) for(ll (i)=(m);(i)<(n);(i)++) #define ALL(obj) (obj).begin(), (obj).end() #define rALL(obj) (obj).rbegin(), (obj).rend() using namespace std; using ll = long long; using P = pair<ll,ll>; using mint = atcoder::modint998244353; using VL = vector<ll>; using VVL = vector<VL>; using VVVL = vector<VVL>; using VM = vector<mint>; using VVM = vector<VM>; using VVVM = vector<VVM>; using VD = vector<double>; using VVD = vector<VD>; using VVVD = vector<VVD>; template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } int main(){ ios::sync_with_stdio(false); cin.tie(0); ll n; cin>>n; VL a(n); rep(i,n) cin>>a[i]; ll L, R; set<ll> s; rep(i,n){ if(s.count(a[i])) break; s.insert(a[i]); R = i + 1; } s.clear(); for(int i=n-1; i>=0; i--){ if(s.count(a[i])) break; s.insert(a[i]); L = i - 1; } chmax(L, 0LL); chmin(R, n-1); VL ans; rep2(i,L,R) ans.push_back(i); cout<<ans.size()<<'\n'; for(auto x:ans) cout<<x+1<<' '; cout<<'\n'; return 0; }