제출 #696909

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
696909		Do_you_copy	Izbori (COCI22_izbori)	C++17	25 / 110	11 ms	2768 KiB

Main

//Then
#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
#define faster ios_base::sync_with_stdio(0); cin.tie(0);

using namespace std;
using ll = long long;
using ld = long double;
using pii = pair <int, int>;
mt19937_64 Rand(chrono::steady_clock::now().time_since_epoch().count());
const int maxN = 1e5 + 1;
//const int Mod = 1e9 + 7;
//const int inf =
int n;
int cnt[maxN];
int a[maxN];

void Init(){
    cin >> n;
    vector <int> node;
    for (int i = 1; i <= n; ++i){
        cin >> a[i];
        node.pb(a[i]);
    }
    sort(node.begin(), node.end());
    node.resize(unique(node.begin(), node.end()) - node.begin());
    for (int i = 1; i <= n; ++i){
        a[i] = upper_bound(node.begin(), node.end(), a[i]) - node.begin();
    }
    int ans = 0;
    for (int i = 1; i <= n; ++i){
        for (int j = 1; j <= n; ++j){
            cnt[j] = 0;
        }
        int maxx = 0;
        for (int j = i; j <= n; ++j){
            maxx = max(maxx, ++cnt[a[j]]);
            if (maxx > (j - i + 1) / 2){
                ++ans;
            }
        }
    }
    cout << ans;
}

#define debug
#define taskname "test"
signed main(){
    faster
    if (fopen(taskname".inp", "r")){
        freopen(taskname".inp", "r", stdin);
        freopen(taskname".out", "w", stdout);
    }
    int tt = 1;
    //cin >> tt;
    while (tt--){
        Init();
    }
    if (fopen("timeout.txt", "r")){
        ofstream timeout("timeout.txt");
        timeout << signed(double(clock()) / CLOCKS_PER_SEC * 1000);
        timeout.close();
        #ifndef debug
        cerr << "Time elapsed: " << signed(double(clock()) / CLOCKS_PER_SEC * 1000) << "ms\n";
        #endif // debug
    }
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:53:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   53 |         freopen(taskname".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:54:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |         freopen(taskname".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 70