oj.uz

Submission #700129

# Submission time Handle Problem Language Result Execution time Memory
700129 2023-02-18T16:39:16 Z fdnfksd Money (IZhO17_money) C++14
0 / 100
 14 ms 23872 KB 
#include<bits/stdc++.h>
#define TASKNAME "bieudo"
#define pb push_back
#define pli pair<int,int>
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
using namespace std;
using ll=long long;
const ll maxN=1e6+10;
const ll inf=1e18;
const ll mod=1e9+7;
ll bit[maxN];
ll a[maxN];
vector<ll> vec[maxN];
ll n;
void update(ll i,ll val)
{
    while(i<=1e6)
    {
        bit[i]+=val;
        i+=(i&(-i));
    }
}
ll get(ll i)
{
    ll cc=0;
    while(i>0)
    {
        cc+=bit[i];
        i-=(i&(-i));
    }
    return cc;
}
ll getlr(ll i,ll j)
{
    if(i>j) return 0;
    return get(j)-get(i-1);
}
void solve()
{
    cin >> n;
    for(int i=1;i<=n;i++)
    {
        cin >> a[i];
        //cout << a[i]<<' ';
    }
    a[0]=0;
    ll cnt=0;
    for(int i=1;i<=n;i++)
    {
        ll j=i+1;
        cnt++;
        vec[cnt].pb(a[i]);
        while(j<=n&&a[j]>=a[j-1])
        {
            vec[cnt].pb(a[j]);
            j++;
        }
        i=j-1;
    }
    for(auto zz:vec[1])
    {
        update(zz,1);
    }
    ll ans=cnt;
    for(int i=2;i<=cnt;i++)
    {
        for(int j=1;j<vec[i].size();j++)
        {
            if(getlr(vec[i][j-1],vec[i][j]-1)>0)
            {
                ans++;
            }
        }
        for(auto zz:vec[i])
        {
            update(zz,1);
        }
    }
    cout << ans;
}
int main()
{
    fastio
    //freopen(TASKNAME".INP","r",stdin);
    //freopen(TASKNAME".OUT","w",stdout);
    solve();
}

Compilation message

money.cpp: In function 'void solve()':
money.cpp:67:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |         for(int j=1;j<vec[i].size();j++)
      |                     ~^~~~~~~~~~~~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Incorrect 12 ms 23872 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Incorrect 12 ms 23872 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Incorrect 12 ms 23872 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Incorrect 12 ms 23872 KB Output isn't correct
5 Halted 0 ms 0 KB -