oj.uz

Submission #891022

# Submission time Handle Problem Language Result Execution time Memory
891022 2023-12-22T06:27:24 Z vjudge1 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
0 / 100
 161 ms 81996 KB 
#include "bits/stdc++.h"
using namespace std;       

#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()

void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
void IOIGold2024_InshAllah() { ios_base::sync_with_stdio(false); cin.tie(NULL); }
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; }

const ll inf = 1e18+7, MX = LLONG_MAX, MN = LLONG_MIN;
const ll mod = 1e9+7, N = 3e5+5;
vector<ll> t[N*4];
ll a[N], res[N*4], ans, mx;

void build(ll v, ll tl, ll tr) {
    if(tl==tr) {
        t[v].pb(a[tl]);
        return;
    }
    ll tm = (tl+tr)/2;
    build(v*2, tl, tm), build(v*2+1, tm+1, tr);
    ll i = 0, j = 0;
    res[v] = max(res[v*2], res[v*2+1]);
    while(i<sz(t[v*2]) || j<sz(t[v*2+1])) {
        if(j==sz(t[v*2+1]) || (i<sz(t[v*2]) && t[v*2][i]<t[v*2+1][j])) t[v].pb(t[v*2][i++]);
        else {
            if(t[v*2+1][j]<t[v*2].back()) res[v] = max(res[v], t[v*2+1][j]+t[v*2].back());
            t[v].pb(t[v*2+1][j++]);
        }
    }
}

void get(ll v, ll tl, ll tr, ll l, ll r) {
    if(r<tl || tr<l || r<l) return;
    if(l<=tl && tr<=r) {
        ll pos = lower_bound(all(t[v]), mx)-t[v].begin()-1;
        if(pos>-1) ans = max(ans, mx+t[v][pos]);
        mx = max(mx, t[v].back());
        return;
    }
    ll tm = (tl+tr)/2;
    get(v*2, tl, tm, l, r), get(v*2+1, tm+1, tr, l, r);
}

void kigash() {
    ll n, q;
    cin>>n>>q;
    for(ll i=1; i<=n; i++) cin>>a[i];
    build(1, 1, n);
    while(q--) {
        ll l, r, k;
        cin>>l>>r>>k;
        mx = ans = 0;
        get(1, 1, n, l, r);
        if(ans>k) cout<<"0\n";
        else cout<<"1\n";
    }
    return;
}

signed main(/*Kigash Amir*/) {
    // freopen("");
    IOIGold2024_InshAllah();
    ll tt = 1;
    // cin>>tt;
    for(ll i=1; i<=tt; i++) {
        kigash();
    }
}

Compilation message

sortbooks.cpp:4: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    4 | #pragma comment(linker, "/stack:200000000")
      | 
sortbooks.cpp: In function 'void freopen(std::string)':
sortbooks.cpp:17:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 | void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
      |                          ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:17:73: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 | void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
      |                                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 31836 KB Output is correct
2 Correct 8 ms 31996 KB Output is correct
3 Incorrect 7 ms 31836 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 31836 KB Output is correct
2 Correct 8 ms 31996 KB Output is correct
3 Incorrect 7 ms 31836 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 110 ms 81996 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 161 ms 56004 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 31836 KB Output is correct
2 Correct 8 ms 31996 KB Output is correct
3 Incorrect 7 ms 31836 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 31836 KB Output is correct
2 Correct 8 ms 31996 KB Output is correct
3 Incorrect 7 ms 31836 KB Output isn't correct
4 Halted 0 ms 0 KB -