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Submission #293581

# Submission time Handle Problem Language Result Execution time Memory
293581 2020-09-08T08:20:07 Z achibasadzishvili Exercise Deadlines (CCO20_day1problem2) C++14
25 / 25
 160 ms 27616 KB 
#include<bits/stdc++.h>
#define ll long long
#define f first
#define s second
#define pb push_back
using namespace std;
ll n,a[500005];
set<ll>st;
set<ll>::iterator it;
ll b[500005],ans;
vector<ll>g[500005];
void add(ll x,ll y){
    while(y<=n){
        b[y]+=x;
    	y+=y&-y;
    }
}
ll sum(ll y){
    ll x=0;
	while(y>0){
        x+=b[y];
        y-=y&-y;
    }
    return x;
}
int main(){
    ios::sync_with_stdio(false);
    cin >> n;
    
    for(int i=1; i<=n; i++){
        cin >> a[i];
        g[a[i]].pb(i);
    }
    
    for(int i=n; i>=1; i--){
        for(int j=0; j<g[i].size(); j++)
            st.insert(g[i][j]);
        if(!st.size()){
            cout << -1;
            return 0;
        }
        it = st.end();
        it--;
        ll ind = (*it);
        ll w = ind;
        st.erase(it);
        ind -= sum(ind);
        ans += i - ind;
        add(1 , w);
    }
    
    cout << ans << '\n';
    
    
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:36:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |         for(int j=0; j<g[i].size(); j++)
      |                      ~^~~~~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 12288 KB Output is correct
2 Correct 11 ms 12416 KB Output is correct
3 Correct 11 ms 12416 KB Output is correct
4 Correct 10 ms 12416 KB Output is correct
5 Correct 11 ms 12416 KB Output is correct
6 Correct 10 ms 12416 KB Output is correct
7 Correct 10 ms 12288 KB Output is correct
8 Correct 10 ms 12288 KB Output is correct
9 Correct 10 ms 12288 KB Output is correct
10 Correct 10 ms 12288 KB Output is correct
11 Correct 10 ms 12288 KB Output is correct
12 Correct 10 ms 12288 KB Output is correct
13 Correct 10 ms 12288 KB Output is correct
14 Correct 10 ms 12288 KB Output is correct
15 Correct 10 ms 12288 KB Output is correct
16 Correct 10 ms 12288 KB Output is correct
17 Correct 10 ms 12288 KB Output is correct
18 Correct 10 ms 12288 KB Output is correct
19 Correct 10 ms 12288 KB Output is correct
20 Correct 11 ms 12288 KB Output is correct
21 Correct 10 ms 12288 KB Output is correct
22 Correct 10 ms 12288 KB Output is correct
23 Correct 10 ms 12288 KB Output is correct
24 Correct 10 ms 12288 KB Output is correct
25 Correct 11 ms 12288 KB Output is correct
26 Correct 11 ms 12288 KB Output is correct
27 Correct 10 ms 12288 KB Output is correct
28 Correct 11 ms 12288 KB Output is correct
29 Correct 10 ms 12288 KB Output is correct
30 Correct 10 ms 12288 KB Output is correct
31 Correct 10 ms 12288 KB Output is correct
32 Correct 10 ms 12544 KB Output is correct
33 Correct 10 ms 12288 KB Output is correct
34 Correct 10 ms 12288 KB Output is correct
35 Correct 11 ms 12416 KB Output is correct
36 Correct 11 ms 12416 KB Output is correct
37 Correct 9 ms 12288 KB Output is correct
38 Correct 10 ms 12288 KB Output is correct
39 Correct 10 ms 12416 KB Output is correct
40 Correct 10 ms 12416 KB Output is correct
41 Correct 10 ms 12416 KB Output is correct
42 Correct 10 ms 12288 KB Output is correct
43 Correct 10 ms 12288 KB Output is correct
44 Correct 9 ms 12032 KB Output is correct
45 Correct 9 ms 12032 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 12288 KB Output is correct
2 Correct 11 ms 12416 KB Output is correct
3 Correct 11 ms 12416 KB Output is correct
4 Correct 10 ms 12416 KB Output is correct
5 Correct 11 ms 12416 KB Output is correct
6 Correct 10 ms 12416 KB Output is correct
7 Correct 10 ms 12288 KB Output is correct
8 Correct 10 ms 12288 KB Output is correct
9 Correct 10 ms 12288 KB Output is correct
10 Correct 10 ms 12288 KB Output is correct
11 Correct 10 ms 12288 KB Output is correct
12 Correct 10 ms 12288 KB Output is correct
13 Correct 10 ms 12288 KB Output is correct
14 Correct 10 ms 12288 KB Output is correct
15 Correct 10 ms 12288 KB Output is correct
16 Correct 10 ms 12288 KB Output is correct
17 Correct 10 ms 12288 KB Output is correct
18 Correct 10 ms 12288 KB Output is correct
19 Correct 10 ms 12288 KB Output is correct
20 Correct 11 ms 12288 KB Output is correct
21 Correct 10 ms 12288 KB Output is correct
22 Correct 10 ms 12288 KB Output is correct
23 Correct 10 ms 12288 KB Output is correct
24 Correct 10 ms 12288 KB Output is correct
25 Correct 11 ms 12288 KB Output is correct
26 Correct 11 ms 12288 KB Output is correct
27 Correct 10 ms 12288 KB Output is correct
28 Correct 11 ms 12288 KB Output is correct
29 Correct 10 ms 12288 KB Output is correct
30 Correct 10 ms 12288 KB Output is correct
31 Correct 10 ms 12288 KB Output is correct
32 Correct 10 ms 12544 KB Output is correct
33 Correct 10 ms 12288 KB Output is correct
34 Correct 10 ms 12288 KB Output is correct
35 Correct 11 ms 12416 KB Output is correct
36 Correct 11 ms 12416 KB Output is correct
37 Correct 9 ms 12288 KB Output is correct
38 Correct 10 ms 12288 KB Output is correct
39 Correct 10 ms 12416 KB Output is correct
40 Correct 10 ms 12416 KB Output is correct
41 Correct 10 ms 12416 KB Output is correct
42 Correct 10 ms 12288 KB Output is correct
43 Correct 10 ms 12288 KB Output is correct
44 Correct 9 ms 12032 KB Output is correct
45 Correct 9 ms 12032 KB Output is correct
46 Correct 152 ms 23800 KB Output is correct
47 Correct 156 ms 23800 KB Output is correct
48 Correct 124 ms 23800 KB Output is correct
49 Correct 129 ms 23800 KB Output is correct
50 Correct 130 ms 23800 KB Output is correct
51 Correct 123 ms 23804 KB Output is correct
52 Correct 114 ms 22776 KB Output is correct
53 Correct 113 ms 22776 KB Output is correct
54 Correct 86 ms 22776 KB Output is correct
55 Correct 67 ms 22776 KB Output is correct
56 Correct 86 ms 22648 KB Output is correct
57 Correct 90 ms 22780 KB Output is correct
58 Correct 108 ms 20728 KB Output is correct
59 Correct 114 ms 20856 KB Output is correct
60 Correct 107 ms 20728 KB Output is correct
61 Correct 95 ms 20784 KB Output is correct
62 Correct 69 ms 20728 KB Output is correct
63 Correct 89 ms 20728 KB Output is correct
64 Correct 110 ms 20856 KB Output is correct
65 Correct 109 ms 20728 KB Output is correct
66 Correct 99 ms 20728 KB Output is correct
67 Correct 92 ms 20728 KB Output is correct
68 Correct 99 ms 20984 KB Output is correct
69 Correct 108 ms 20728 KB Output is correct
70 Correct 121 ms 21620 KB Output is correct
71 Correct 123 ms 21748 KB Output is correct
72 Correct 118 ms 21740 KB Output is correct
73 Correct 116 ms 21620 KB Output is correct
74 Correct 83 ms 21676 KB Output is correct
75 Correct 112 ms 21620 KB Output is correct
76 Correct 88 ms 21296 KB Output is correct
77 Correct 100 ms 27616 KB Output is correct
78 Correct 58 ms 22776 KB Output is correct
79 Correct 64 ms 20728 KB Output is correct
80 Correct 121 ms 22136 KB Output is correct
81 Correct 104 ms 27616 KB Output is correct
82 Correct 58 ms 22776 KB Output is correct
83 Correct 66 ms 20856 KB Output is correct
84 Correct 144 ms 22876 KB Output is correct
85 Correct 143 ms 22904 KB Output is correct
86 Correct 152 ms 22904 KB Output is correct
87 Correct 71 ms 18936 KB Output is correct
88 Correct 160 ms 22844 KB Output is correct