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Submission #293732

# Submission time Handle Problem Language Result Execution time Memory
293732 2020-09-08T10:59:58 Z wildturtle Exercise Deadlines (CCO20_day1problem2) C++14
25 / 25
 240 ms 22776 KB 
#include<bits/stdc++.h>
using namespace std;
long long a,b,c,d,i,e,f,g,n,m,k,l,ans,BITree[500005],A[500005];
vector <long long> v[500005];
priority_queue <long long> pq;
long long getSum(long long idx) {
    idx=idx+1;
    long long sum=0;
    while(idx>0) {
        sum+=BITree[idx];
        idx-=idx&(-idx);
    }
    return sum;
}
void updateBIT(long long idx,long long val) {
    idx=idx+1;
    while(idx<=200005) {
        BITree[idx]+=val;
        idx+=idx&(-idx);
    }
}
int main() {
    cin>>n;
    for(long long i=1;i<=n;i++) {
        cin>>A[i];
        v[A[i]].push_back(i);
    }
    sort(A+1,A+1+n);
    for(long long i=1;i<=n;i++) {
        if(A[i]<i) { cout<<-1; return 0; }
    }
    for(long long i=n;i>=1;i--) {
        for(long long j=0;j<v[i].size();j++)
        pq.push(v[i][j]);
        k=pq.top();
        //cout<<k<<" ";
        pq.pop();
        a=getSum(k-1);
        //cout<<a<<" ";
        ans+=i-(k-a);
        //cout<<ans<<endl;
        updateBIT(k,1);
    }
    cout<<ans;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:33:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |         for(long long j=0;j<v[i].size();j++)
      |                           ~^~~~~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 12288 KB Output is correct
2 Correct 12 ms 12288 KB Output is correct
3 Correct 15 ms 12288 KB Output is correct
4 Correct 14 ms 12384 KB Output is correct
5 Correct 13 ms 12288 KB Output is correct
6 Correct 12 ms 12288 KB Output is correct
7 Correct 12 ms 12416 KB Output is correct
8 Correct 12 ms 12416 KB Output is correct
9 Correct 13 ms 12288 KB Output is correct
10 Correct 11 ms 12416 KB Output is correct
11 Correct 12 ms 12416 KB Output is correct
12 Correct 11 ms 12416 KB Output is correct
13 Correct 12 ms 12288 KB Output is correct
14 Correct 12 ms 12288 KB Output is correct
15 Correct 12 ms 12288 KB Output is correct
16 Correct 12 ms 12288 KB Output is correct
17 Correct 11 ms 12288 KB Output is correct
18 Correct 11 ms 12288 KB Output is correct
19 Correct 12 ms 12288 KB Output is correct
20 Correct 12 ms 12288 KB Output is correct
21 Correct 12 ms 12320 KB Output is correct
22 Correct 13 ms 12288 KB Output is correct
23 Correct 14 ms 12288 KB Output is correct
24 Correct 12 ms 12288 KB Output is correct
25 Correct 14 ms 12288 KB Output is correct
26 Correct 12 ms 12288 KB Output is correct
27 Correct 13 ms 12288 KB Output is correct
28 Correct 12 ms 12288 KB Output is correct
29 Correct 12 ms 12288 KB Output is correct
30 Correct 11 ms 12288 KB Output is correct
31 Correct 11 ms 12160 KB Output is correct
32 Correct 13 ms 12408 KB Output is correct
33 Correct 12 ms 12416 KB Output is correct
34 Correct 12 ms 12288 KB Output is correct
35 Correct 11 ms 12160 KB Output is correct
36 Correct 12 ms 12416 KB Output is correct
37 Correct 11 ms 12288 KB Output is correct
38 Correct 11 ms 12288 KB Output is correct
39 Correct 13 ms 12288 KB Output is correct
40 Correct 12 ms 12288 KB Output is correct
41 Correct 11 ms 12288 KB Output is correct
42 Correct 13 ms 12288 KB Output is correct
43 Correct 11 ms 12288 KB Output is correct
44 Correct 8 ms 12160 KB Output is correct
45 Correct 8 ms 12032 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 12288 KB Output is correct
2 Correct 12 ms 12288 KB Output is correct
3 Correct 15 ms 12288 KB Output is correct
4 Correct 14 ms 12384 KB Output is correct
5 Correct 13 ms 12288 KB Output is correct
6 Correct 12 ms 12288 KB Output is correct
7 Correct 12 ms 12416 KB Output is correct
8 Correct 12 ms 12416 KB Output is correct
9 Correct 13 ms 12288 KB Output is correct
10 Correct 11 ms 12416 KB Output is correct
11 Correct 12 ms 12416 KB Output is correct
12 Correct 11 ms 12416 KB Output is correct
13 Correct 12 ms 12288 KB Output is correct
14 Correct 12 ms 12288 KB Output is correct
15 Correct 12 ms 12288 KB Output is correct
16 Correct 12 ms 12288 KB Output is correct
17 Correct 11 ms 12288 KB Output is correct
18 Correct 11 ms 12288 KB Output is correct
19 Correct 12 ms 12288 KB Output is correct
20 Correct 12 ms 12288 KB Output is correct
21 Correct 12 ms 12320 KB Output is correct
22 Correct 13 ms 12288 KB Output is correct
23 Correct 14 ms 12288 KB Output is correct
24 Correct 12 ms 12288 KB Output is correct
25 Correct 14 ms 12288 KB Output is correct
26 Correct 12 ms 12288 KB Output is correct
27 Correct 13 ms 12288 KB Output is correct
28 Correct 12 ms 12288 KB Output is correct
29 Correct 12 ms 12288 KB Output is correct
30 Correct 11 ms 12288 KB Output is correct
31 Correct 11 ms 12160 KB Output is correct
32 Correct 13 ms 12408 KB Output is correct
33 Correct 12 ms 12416 KB Output is correct
34 Correct 12 ms 12288 KB Output is correct
35 Correct 11 ms 12160 KB Output is correct
36 Correct 12 ms 12416 KB Output is correct
37 Correct 11 ms 12288 KB Output is correct
38 Correct 11 ms 12288 KB Output is correct
39 Correct 13 ms 12288 KB Output is correct
40 Correct 12 ms 12288 KB Output is correct
41 Correct 11 ms 12288 KB Output is correct
42 Correct 13 ms 12288 KB Output is correct
43 Correct 11 ms 12288 KB Output is correct
44 Correct 8 ms 12160 KB Output is correct
45 Correct 8 ms 12032 KB Output is correct
46 Correct 237 ms 21100 KB Output is correct
47 Correct 236 ms 20968 KB Output is correct
48 Correct 216 ms 21104 KB Output is correct
49 Correct 212 ms 21152 KB Output is correct
50 Correct 229 ms 21004 KB Output is correct
51 Correct 216 ms 20988 KB Output is correct
52 Correct 213 ms 22648 KB Output is correct
53 Correct 221 ms 22776 KB Output is correct
54 Correct 194 ms 22776 KB Output is correct
55 Correct 163 ms 22776 KB Output is correct
56 Correct 188 ms 22648 KB Output is correct
57 Correct 198 ms 22776 KB Output is correct
58 Correct 217 ms 20856 KB Output is correct
59 Correct 211 ms 20728 KB Output is correct
60 Correct 207 ms 20728 KB Output is correct
61 Correct 193 ms 20728 KB Output is correct
62 Correct 166 ms 20856 KB Output is correct
63 Correct 190 ms 20856 KB Output is correct
64 Correct 223 ms 20728 KB Output is correct
65 Correct 222 ms 20728 KB Output is correct
66 Correct 211 ms 20728 KB Output is correct
67 Correct 193 ms 20732 KB Output is correct
68 Correct 204 ms 20728 KB Output is correct
69 Correct 218 ms 20728 KB Output is correct
70 Correct 219 ms 20888 KB Output is correct
71 Correct 222 ms 20980 KB Output is correct
72 Correct 219 ms 20872 KB Output is correct
73 Correct 213 ms 20852 KB Output is correct
74 Correct 183 ms 20852 KB Output is correct
75 Correct 219 ms 20980 KB Output is correct
76 Correct 185 ms 18808 KB Output is correct
77 Correct 177 ms 20016 KB Output is correct
78 Correct 159 ms 22648 KB Output is correct
79 Correct 164 ms 20732 KB Output is correct
80 Correct 186 ms 18680 KB Output is correct
81 Correct 178 ms 19980 KB Output is correct
82 Correct 163 ms 22776 KB Output is correct
83 Correct 162 ms 20796 KB Output is correct
84 Correct 240 ms 20976 KB Output is correct
85 Correct 237 ms 20976 KB Output is correct
86 Correct 231 ms 20976 KB Output is correct
87 Correct 193 ms 18936 KB Output is correct
88 Correct 239 ms 20972 KB Output is correct