Submission #167261

# Submission time Handle Problem Language Result Execution time Memory
167261 2019-12-07T06:45:29 Z egekabas Zoltan (COCI16_zoltan) C++14
70 / 140
154 ms 28000 KB
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long   ll;
typedef unsigned long long   ull;
typedef long double ld;
typedef pair<ull, ull>    pull;
typedef pair<ll, ll>  pll;
typedef pair<ld, ld>  pld;
ll n;
ll a[200009];
vector<pll> v;
pll found[100009];
pll seg[400009];
void upd(ll v, ll tl, ll tr, ll id, pll val){
    if(id < tl || id > tr)
        return;
    if(tl == id && tr == id){
        seg[v] = val;
    }
    else{
        ll tm = (tl+tr)/2;
        upd(2*v, tl, tm, id, val);
        upd(2*v+1, tm+1, tr, id, val);
        if(seg[2*v].ff == seg[2*v+1].ff)
            seg[v] = {seg[2*v].ff, seg[2*v].ss + seg[2*v+1].ss};
        else if(seg[2*v].ff > seg[2*v+1].ff)
            seg[v] = seg[2*v];
        else
            seg[v] = seg[2*v+1];
    }
}
pll get(ll v, ll tl, ll tr, ll l, ll r){
    if(l < 0)
        return {0, 0};
    if(tl > r || tr < l)
        return {0, 0};
    if(l <= tl && tr <= r){
        return seg[v];
    }
    else{
        ll tm = (tl+tr)/2;
        pll t1 = get(2*v, tl, tm, l, r);
        pll t2 = get(2*v+1, tm+1, tr, l, r);
        if(t1.ff == t2.ff)
            return {t1.ff, t1.ss + t2.ss};
        else if(t1.ff > t2.ff)
            return t1;
        else
            return t2;
    }
}
pll dc[200009];
pll ac[200009];
pll tot[200009];
ll mod = 1e9+7;
ll pw(ll x, ll y){
    ll ret = 1;
    while(y > 0){
        if(y%2)
            ret = ret*x%mod;
        y /= 2;
        x = x*x%mod;
    }
    return ret;
}
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    //freopen("in.txt", "r", stdin);
    //freopen("out.txt", "w", stdout);
    
    cin >> n;
    for(ll i = 0; i < n; ++i)
        cin >> a[i];
    for(ll i = 0; i < n; ++i)
        v.pb({a[i], i});
    sort(v.begin(), v.end());
    ll i = 0, j = 0;
    while(i < n){
        for(j = i; j < n; ++j){
            if(v[i].ff != v[j].ff)
                break;
            found[j] = get(1, 0, n-1, v[j].ss+1, n-1);
            found[j].ff++;
            if(found[j].ss == 0)
                ++found[j].ss;
        }
        for(ll k = i; k < j; ++k)
            upd(1, 0, n-1, v[k].ss, found[k]);
        i = j;
    }
    for(ll i = 0; i < n; ++i)
        dc[i] = get(1, 0, n-1, i, i);
    for(ll i = 0; i <= 4*n; ++i)
        seg[i] = {0, 0};
    reverse(v.begin(), v.end());
    i = 0, j = 0;
    while(i < n){
        for(j = i; j < n; ++j){
            if(v[i].ff != v[j].ff)
                break;
            found[j] = get(1, 0, n-1, v[j].ss+1, n-1);
            found[j].ff++;
            if(found[j].ss == 0)
                ++found[j].ss;
        }
        for(ll k = i; k < j; ++k)
            upd(1, 0, n-1, v[k].ss, found[k]);
        i = j;
    }
    for(ll i = 0; i < n; ++i){
        ac[i] = get(1, 0, n-1, i, i);
    }
    for(ll i = 0; i < n; ++i)
        tot[i] = {ac[i].ff + dc[i].ff-1, ac[i].ss*dc[i].ss%mod};
    ll len = 0;
    ll ans = 0;
    for(ll i = 0; i < n; ++i)
        len = max(len, tot[i].ff);
    for(ll i = 0; i < n; ++i)
        if(tot[i].ff == len){
            ans += pw(2, n-len)*tot[i].ss%mod;
            ans %= mod;
        }
    cout << len << " " << ans << "\n";
}
# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 3 ms 632 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 3 ms 508 KB Output is correct
11 Runtime error 109 ms 25312 KB Execution killed with signal 11 (could be triggered by violating memory limits)
12 Runtime error 104 ms 24376 KB Execution killed with signal 11 (could be triggered by violating memory limits)
13 Runtime error 94 ms 19432 KB Execution killed with signal 11 (could be triggered by violating memory limits)
14 Runtime error 131 ms 24544 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Runtime error 145 ms 26464 KB Execution killed with signal 11 (could be triggered by violating memory limits)
16 Runtime error 154 ms 28000 KB Execution killed with signal 11 (could be triggered by violating memory limits)
17 Runtime error 133 ms 27360 KB Execution killed with signal 11 (could be triggered by violating memory limits)
18 Runtime error 133 ms 27360 KB Execution killed with signal 11 (could be triggered by violating memory limits)
19 Runtime error 136 ms 27488 KB Execution killed with signal 11 (could be triggered by violating memory limits)
20 Runtime error 136 ms 27532 KB Execution killed with signal 11 (could be triggered by violating memory limits)