結果
問題 | No.2145 Segment +- |
ユーザー | snuke |
提出日時 | 2023-02-09 23:03:06 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,659 bytes |
コンパイル時間 | 2,156 ms |
コンパイル使用メモリ | 205,292 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-06 23:22:16 |
合計ジャッジ時間 | 3,243 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 9 ms
5,376 KB |
testcase_11 | AC | 8 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | WA | - |
testcase_14 | AC | 1 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 1 ms
5,376 KB |
testcase_17 | AC | 1 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 7 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 7 ms
5,376 KB |
testcase_25 | AC | 9 ms
5,376 KB |
testcase_26 | AC | 9 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> #define rep(i,n) for(int i = 0; i < (n); ++i) #define rep1(i,n) for(int i = 1; i <= (n); ++i) #define drep(i,n) for(int i = (n)-1; i >= 0; --i) #define srep(i,s,t) for (int i = s; i < (t); ++i) #define rng(a) a.begin(),a.end() #define rrng(a) a.rbegin(),a.rend() #define fi first #define se second #define pb push_back #define eb emplace_back #define pob pop_back #define sz(x) (int)(x).size() #define pcnt __builtin_popcountll #define snuke srand((unsigned)clock()+(unsigned)time(NULL)); #define newline puts("") using namespace std; template<typename T> using vc = vector<T>; template<typename T> using vv = vc<vc<T>>; template<typename T> using PQ = priority_queue<T,vc<T>,greater<T>>; using uint = unsigned; using ull = unsigned long long; using vi = vc<int>; using vvi = vv<int>; using vvvi = vv<vi>; using ll = long long; using vl = vc<ll>; using vvl = vv<ll>; using vvvl = vv<vl>; using P = pair<int,int>; using vp = vc<P>; using vvp = vv<P>; int geti(){int x;scanf("%d",&x);return x;} vi pm(int n, int s=0) { vi a(n); iota(rng(a),s); return a;} template<typename T1,typename T2>istream& operator>>(istream&i,pair<T1,T2>&v){return i>>v.fi>>v.se;} template<typename T1,typename T2>ostream& operator<<(ostream&o,const pair<T1,T2>&v){return o<<v.fi<<","<<v.se;} template<typename T>istream& operator>>(istream&i,vc<T>&v){rep(j,sz(v))i>>v[j];return i;} template<typename T>string join(const T&v,const string& d=""){stringstream s;rep(i,sz(v))(i?s<<d:s)<<v[i];return s.str();} template<typename T>ostream& operator<<(ostream&o,const vc<T>&v){if(sz(v))o<<join(v," ");return o;} template<typename T1,typename T2>void operator--(pair<T1,T2>&a,int){a.fi--;a.se--;} template<typename T1,typename T2>void operator++(pair<T1,T2>&a,int){a.fi--;a.se--;} template<typename T>void operator--(vc<T>&a,int){for(T&x:a)x--;} template<typename T>void operator++(vc<T>&a,int){for(T&x:a)x++;} template<typename T>void operator+=(vc<T>&a,T b){for(T&x:a)x+=b;} template<typename T>void operator+=(vc<T>&a,const vc<T>&b){a.insert(a.end(),rng(b));} template<typename T1,typename T2>bool mins(T1& x,const T2&y){if(y<x){x=y;return true;}else return false;} template<typename T1,typename T2>bool maxs(T1& x,const T2&y){if(x<y){x=y;return true;}else return false;} template<typename Tx, typename Ty>Tx dup(Tx x, Ty y){return (x+y-1)/y;} template<typename T>ll suma(const vc<T>&a){ll res(0);for(auto&&x:a)res+=x;return res;} template<typename T>ll suma(const vv<T>&a){ll res(0);for(auto&&x:a)res+=suma(x);return res;} template<typename T>void uni(T& a){sort(rng(a));a.erase(unique(rng(a)),a.end());} template<typename T>void prepend(vc<T>&a,const T&x){a.insert(a.begin(),x);} const double eps = 1e-10; const ll LINF = 1001002003004005006ll; const int INF = 1001001001; #define dame { puts("-1"); return;} #define yes { puts("Yes"); return;} #define no { puts("No"); return;} #define rtn(x) { cout<<(x)<<endl; return;} #define yn {puts("Yes");}else{puts("No");} const int MX = 200005; struct Solver { void solve() { int n; string s; cin>>n>>s; int ans = 0; rep(ti,20) { bool ok = true; int t = 0; P l(0,0); rep(i,n) { if (s[i] == '-') t--; else t++; maxs(l,P(t,i+1)); if (t < 0) { srep(i,l.se,n) { if (s[i] == '?') continue; s[i] ^= '+'^'-'; } ok = false; break; } } if (ok) break; ++ans; } cout<<dup(ans,2)<<endl; } }; int main() { // cin.tie(nullptr); ios::sync_with_stdio(false); int ts = 1; // scanf("%d",&ts); rep1(ti,ts) { Solver solver; solver.solve(); } return 0; }