提出 #70734364


ソースコード 拡げる

// PriashisG
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

    // Typedef
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef tree<int, null_type, less<int>, rb_tree_tag,
tree_order_statistics_node_update> ordered_set;
typedef tree<pair<int,int>, null_type, less<pair<int,int>>, rb_tree_tag,
tree_order_statistics_node_update> ordered_multiset;
/*
    greater<int> for large to small
    less_equal for not unique
    finding sz-th element --> os.find_by_order(sz);                           // O(log n)
    finding the number of elements smaller than x --> os.order_by_szey(x);   // O(log n)
    os.erase(x);
*/

    // Macros
#define PB push_back
#define IN insert
#define all(x) x.begin(), x.end()
#define trav(i, a) for (auto &i : a)
#define GCD __gcd
#define F first
#define S second
#define endl '\n'
#define LB lower_bound
#define UB upper_bound
#define DEBUG(i) cout << "DEBUG " << i << "\n";
#define FOR(i, a, b) for (int i = a; i < b; i++)
#define GT(x) greater<x>()
#define setpre(n) fixed << setprecision(n)
#define SZ(x) x.size()
#define on_bit(x) __builtin_popcount(x)

    // Functions
template <typename T> void pv(vector<T> &a){
    for (T u : a) cout << u << ' ';
    cout << '\n';
}

template <typename T> void pv2(vector<vector<T>> &a){
    trav(aa, a) pv(aa);
}

template <typename T, typename U> void pvp( vector<pair<T, U>> &a){
    trav(p, a) cout << "(" << p.F << ", " << p.S << ") ";
    cout << '\n';
}

    // Constants
const ll MOD7 = 1e9 + 7;
const ll MOD9 = 998244353;
const ll INF = LLONG_MAX;

    // Custom Functions
void fast(){
    ios::sync_with_stdio(false); cin.tie(0);
}

ll LCM(ll a, ll b){
   return (a * b) / GCD(a, b);
}

    // Custom Comparator
bool cmp(const pair<ll, ll>& x, const pair<ll, ll>& y){
    if (x.F == y.F) return x.S > y.S;
    else return x.F < y.F;
}

    // Global Variables


void solve(ll tc){

    int n;
    cin >> n;

    stack<char> st;
    stack<int> mn;
    int shuru = 0, shesh = 0, low = 0;
    for (int i = 0; i < n; i++){
        int type;
        cin >> type;
        if (type == 1){
            char nibo;
            cin >> nibo;
            if (nibo == '(') shuru++;
            else shesh++;
            low = min(low, shuru - shesh);
            mn.push(low);
            st.push(nibo);
        }
        else{
            char ber_hobe = st.top();
            st.pop();
            mn.pop();
            if (ber_hobe == '(') shuru--;
            else shesh--;
            low = mn.empty() ? 0 : mn.top();
        }
        if (low >= 0 && shuru == shesh) cout << "Yes\n";
        else cout << "No\n";
    }

}




int main(void){

    fast(); 
    // precal();

    // freopen("final_product_chapter_1_validation_input.txt", "r", stdin);
    // freopen("output.txt", "w", stdout);

    ll t = 1;
    int i = 1;
    // cin >> t;
    // for (ll i = 1; i <= t; i++) 
        solve(i);

}






提出情報

提出日時
問題 C - Brackets Stack Query
ユーザ priashisg
言語 C++ 23 (gcc 12.2)
得点 300
コード長 3202 Byte
結果 AC
実行時間 48 ms
メモリ 7408 KiB

コンパイルエラー

Main.cpp: In function ‘void solve(ll)’:
Main.cpp:83:15: warning: unused parameter ‘tc’ [-Wunused-parameter]
   83 | void solve(ll tc){
      |            ~~~^~
Main.cpp: In function ‘int main()’:
Main.cpp:128:8: warning: unused variable ‘t’ [-Wunused-variable]
  128 |     ll t = 1;
      |        ^

ジャッジ結果

セット名 Sample All
得点 / 配点 0 / 0 300 / 300
結果
AC × 1
AC × 18
セット名 テストケース
Sample 00_sample_00.txt
All 00_sample_00.txt, 01_small_00.txt, 02_random_00.txt, 02_random_01.txt, 02_random_02.txt, 02_random_03.txt, 02_random_04.txt, 02_random_05.txt, 02_random_06.txt, 02_random_07.txt, 02_random_08.txt, 02_random_09.txt, 03_corner_00.txt, 03_corner_01.txt, 03_corner_02.txt, 03_corner_03.txt, 03_corner_04.txt, 03_corner_05.txt
ケース名 結果 実行時間 メモリ
00_sample_00.txt AC 2 ms 3416 KiB
01_small_00.txt AC 26 ms 3528 KiB
02_random_00.txt AC 48 ms 3516 KiB
02_random_01.txt AC 48 ms 3412 KiB
02_random_02.txt AC 48 ms 3596 KiB
02_random_03.txt AC 48 ms 3536 KiB
02_random_04.txt AC 48 ms 3520 KiB
02_random_05.txt AC 48 ms 3460 KiB
02_random_06.txt AC 48 ms 3420 KiB
02_random_07.txt AC 48 ms 3460 KiB
02_random_08.txt AC 47 ms 3460 KiB
02_random_09.txt AC 48 ms 3528 KiB
03_corner_00.txt AC 46 ms 7368 KiB
03_corner_01.txt AC 45 ms 7396 KiB
03_corner_02.txt AC 45 ms 7348 KiB
03_corner_03.txt AC 44 ms 7408 KiB
03_corner_04.txt AC 45 ms 7328 KiB
03_corner_05.txt AC 46 ms 5220 KiB