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Submission #429353

# Submission time Handle Problem Language Result Execution time Memory
429353 2021-06-15T21:33:39 Z jovan_b Money (IZhO17_money) C++17
0 / 100
 1 ms 332 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;

const int MAXN = 1000000;

int bit[MAXN+5];

void bitadd(int x, int val){
    while(x <= MAXN){
        bit[x] += val;
        x += x & -x;
    }
}

int bitget(int x){
    int res = 0;
    while(x){
        res += bit[x];
        x -= x & -x;
    }
    return res;
}

int a[MAXN+5];

int main(){
    ios_base::sync_with_stdio(false), cin.tie(0);
    cout.precision(10);
    cout << fixed;

    int n;
    cin >> n;
    for(int i=1; i<=n; i++) cin >> a[i];
    for(int i=1; i<n; i++) bitadd(a[i], 1);
    int splits = 0;
    int psl = a[n]-1;
    for(int i=n-1; i>=1; i--){
        if(a[i] > a[i+1]){
            psl = a[i]-1;
            splits++;
        }
        else{
            if(bitget(psl) - bitget(a[i]) > 0){
                splits++;
                psl = a[i]-1;
            }
            else psl = a[i];
        }
        bitadd(a[i], -1);
    }
    cout << splits + 1 << "\n";
    return 0;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Incorrect 1 ms 332 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Incorrect 1 ms 332 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Incorrect 1 ms 332 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Incorrect 1 ms 332 KB Output isn't correct
9 Halted 0 ms 0 KB -