oj.uz

Submission #709002

# Submission time Handle Problem Language Result Execution time Memory
709002 2023-03-13T03:47:52 Z vjudge1 Baloni (COCI15_baloni) C++17
40 / 100
 113 ms 5804 KB 
#include "bits/stdc++.h"
using namespace std;

// #define ORD_SET
// #define ROPE
#ifdef ORD_SET
    #include <ext/pb_ds/assoc_container.hpp>
    #include <ext/pb_ds/tree_policy.hpp>
    using namespace __gnu_pbds;
    template<typename T>
    using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#endif
#ifdef ROPE
    #include <ext/rope>
    using namespace __gnu_cxx;
#endif        

// #pragma comment(linker, "/stack:200000000")
// #pragma GCC optimize("Ofast")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")

using ll = long long;
using ld = long double;
#define pb push_back
#define ff first
#define ss second
#define sz(x) (ll)(x).size()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
// #define ll int
void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
void NotInteractive() { ios_base::sync_with_stdio(false); cin.tie(NULL); }
void pre(ll a) { cout<<fixed<<setprecision(a); }
ll bit(ll a) { return __builtin_popcountll(a); }
ll binmul(ll a, ll b, ll c) { ll res = 0; while(b) { if(b&1) (res += a) %= c; (a += a) %= c; b >>= 1; } return res; }
ll binpow(ll a, ll b, ll c) { ll res = 1; while(b) { if(b&1) (res *= a) %= c; (a *= a) %= c; b >>= 1; } return res; }
template<typename T> T gcd(T a, T b) { if(b==0) return a; return gcd(b, a%b); }
template<typename T> T lcm(T a, T b) { return a/gcd(a, b)*b; }
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ld rnd() { return rng()%INT_MAX*1.0/INT_MAX; }

struct sn { ll l, r, x; };
ll B = 316;
const ll mod = 1e9+7;
const ll inf = 1e18+7;
const ll MX = LLONG_MAX;
const ll MN = LLONG_MIN;
const ld P = acos(-1.0);
const ll N = 3e5+5;
ll a[N];

void kigash() {
    ll n;
    cin>>n;
    multiset<ll> st;
    for(ll i=1; i<=n; i++) {
        cin>>a[i];
        if(st.empty() || !st.count(a[i]+1)) st.insert(a[i]);
        else {
            st.erase(st.find(a[i]+1));
            st.insert(a[i]);
        }
    }
    cout<<sz(st)<<"\n";
    return;
}

signed main(/*Kigash Amir*/) {
    // freopen("");
    NotInteractive();
    // precalc();
    
    ll tt = 1;
    // cin>>tt;
    for(ll i=1; i<=tt; i++) kigash();
    
    exit(0);
}

Compilation message

baloni.cpp: In function 'void freopen(std::string)':
baloni.cpp:31:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 | void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
      |                          ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
baloni.cpp:31:73: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 | void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
      |                                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
40.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 420 KB Output is correct
5 Runtime error 94 ms 5600 KB Execution killed with signal 11
6 Runtime error 104 ms 5680 KB Execution killed with signal 11
7 Runtime error 109 ms 5776 KB Execution killed with signal 11
8 Runtime error 101 ms 5724 KB Execution killed with signal 11
9 Runtime error 113 ms 5616 KB Execution killed with signal 11
10 Runtime error 110 ms 5804 KB Execution killed with signal 11