Submission #308740

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
308740	2020-10-01T19:24:49 Z	NintsiChkhaidze	Exercise Deadlines (CCO20_day1problem2)	C++14	25 / 25	121 ms	13432 KB

Main

#include <bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define left (node<<1),l,((l+r)>>1)
#define right ((node<<1)|1),((l+r)>>1) + 1,r
#define N 200001
#define ll long long
using namespace std;
priority_queue <int> q;
int fen[200005];
vector <int> v[200005];
void upd(int in,int val){
    while (in < N){
        fen[in]+=val;
        in += (in&(-in));
    }
}
int get(int in){
    int sum=0;
    while (in > 0){
        sum+=fen[in];
        in -= (in&(-in));
    }
    return sum;
}
int main(){
    int n;
    scanf("%d",&n);
    
    for (int i=1;i<=n;i++){
        int a;
        scanf("%d",&a);
        v[a].pb(i);
    }
 
    int ind = n;
    ll ans = 0;
    while (ind > 0){
        for (int i = 0; i < v[ind].size(); i++)
            q.push(v[ind][i]);
        
        if (q.size() == 0) {ans=-1;  break;}
        int x = q.top() - get(q.top());
        ans+=ind - x;
        upd(q.top(),1);
        q.pop();
        ind--;
    }
    printf("%lld",ans);
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:40:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |         for (int i = 0; i < v[ind].size(); i++)
      |                         ~~^~~~~~~~~~~~~~~
Main.cpp:29:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   29 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
Main.cpp:33:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   33 |         scanf("%d",&a);
      |         ~~~~~^~~~~~~~~

Subtask #1
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	5120 KB	Output is correct
2	Correct	5 ms	5120 KB	Output is correct
3	Correct	5 ms	5120 KB	Output is correct
4	Correct	5 ms	5120 KB	Output is correct
5	Correct	5 ms	5120 KB	Output is correct
6	Correct	5 ms	5120 KB	Output is correct
7	Correct	5 ms	5248 KB	Output is correct
8	Correct	5 ms	5248 KB	Output is correct
9	Correct	5 ms	5248 KB	Output is correct
10	Correct	5 ms	5248 KB	Output is correct
11	Correct	5 ms	5248 KB	Output is correct
12	Correct	6 ms	5248 KB	Output is correct
13	Correct	5 ms	5120 KB	Output is correct
14	Correct	5 ms	5120 KB	Output is correct
15	Correct	5 ms	5120 KB	Output is correct
16	Correct	5 ms	5120 KB	Output is correct
17	Correct	5 ms	5120 KB	Output is correct
18	Correct	5 ms	5120 KB	Output is correct
19	Correct	5 ms	5120 KB	Output is correct
20	Correct	5 ms	5120 KB	Output is correct
21	Correct	5 ms	5120 KB	Output is correct
22	Correct	5 ms	5120 KB	Output is correct
23	Correct	6 ms	5120 KB	Output is correct
24	Correct	5 ms	5120 KB	Output is correct
25	Correct	5 ms	5120 KB	Output is correct
26	Correct	6 ms	5120 KB	Output is correct
27	Correct	5 ms	5120 KB	Output is correct
28	Correct	6 ms	5120 KB	Output is correct
29	Correct	5 ms	5120 KB	Output is correct
30	Correct	5 ms	5120 KB	Output is correct
31	Correct	5 ms	5120 KB	Output is correct
32	Correct	5 ms	5120 KB	Output is correct
33	Correct	5 ms	5248 KB	Output is correct
34	Correct	5 ms	5120 KB	Output is correct
35	Correct	6 ms	5176 KB	Output is correct
36	Correct	5 ms	5248 KB	Output is correct
37	Correct	5 ms	5248 KB	Output is correct
38	Correct	5 ms	5120 KB	Output is correct
39	Correct	6 ms	5120 KB	Output is correct
40	Correct	5 ms	5120 KB	Output is correct
41	Correct	5 ms	5120 KB	Output is correct
42	Correct	5 ms	5120 KB	Output is correct
43	Correct	5 ms	5120 KB	Output is correct
44	Correct	3 ms	4992 KB	Output is correct
45	Correct	3 ms	5024 KB	Output is correct

Subtask #2
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	5120 KB	Output is correct
2	Correct	5 ms	5120 KB	Output is correct
3	Correct	5 ms	5120 KB	Output is correct
4	Correct	5 ms	5120 KB	Output is correct
5	Correct	5 ms	5120 KB	Output is correct
6	Correct	5 ms	5120 KB	Output is correct
7	Correct	5 ms	5248 KB	Output is correct
8	Correct	5 ms	5248 KB	Output is correct
9	Correct	5 ms	5248 KB	Output is correct
10	Correct	5 ms	5248 KB	Output is correct
11	Correct	5 ms	5248 KB	Output is correct
12	Correct	6 ms	5248 KB	Output is correct
13	Correct	5 ms	5120 KB	Output is correct
14	Correct	5 ms	5120 KB	Output is correct
15	Correct	5 ms	5120 KB	Output is correct
16	Correct	5 ms	5120 KB	Output is correct
17	Correct	5 ms	5120 KB	Output is correct
18	Correct	5 ms	5120 KB	Output is correct
19	Correct	5 ms	5120 KB	Output is correct
20	Correct	5 ms	5120 KB	Output is correct
21	Correct	5 ms	5120 KB	Output is correct
22	Correct	5 ms	5120 KB	Output is correct
23	Correct	6 ms	5120 KB	Output is correct
24	Correct	5 ms	5120 KB	Output is correct
25	Correct	5 ms	5120 KB	Output is correct
26	Correct	6 ms	5120 KB	Output is correct
27	Correct	5 ms	5120 KB	Output is correct
28	Correct	6 ms	5120 KB	Output is correct
29	Correct	5 ms	5120 KB	Output is correct
30	Correct	5 ms	5120 KB	Output is correct
31	Correct	5 ms	5120 KB	Output is correct
32	Correct	5 ms	5120 KB	Output is correct
33	Correct	5 ms	5248 KB	Output is correct
34	Correct	5 ms	5120 KB	Output is correct
35	Correct	6 ms	5176 KB	Output is correct
36	Correct	5 ms	5248 KB	Output is correct
37	Correct	5 ms	5248 KB	Output is correct
38	Correct	5 ms	5120 KB	Output is correct
39	Correct	6 ms	5120 KB	Output is correct
40	Correct	5 ms	5120 KB	Output is correct
41	Correct	5 ms	5120 KB	Output is correct
42	Correct	5 ms	5120 KB	Output is correct
43	Correct	5 ms	5120 KB	Output is correct
44	Correct	3 ms	4992 KB	Output is correct
45	Correct	3 ms	5024 KB	Output is correct
46	Correct	107 ms	9456 KB	Output is correct
47	Correct	109 ms	10868 KB	Output is correct
48	Correct	98 ms	10864 KB	Output is correct
49	Correct	99 ms	10740 KB	Output is correct
50	Correct	98 ms	10740 KB	Output is correct
51	Correct	95 ms	10740 KB	Output is correct
52	Correct	108 ms	13304 KB	Output is correct
53	Correct	99 ms	13432 KB	Output is correct
54	Correct	81 ms	13332 KB	Output is correct
55	Correct	62 ms	13288 KB	Output is correct
56	Correct	81 ms	13304 KB	Output is correct
57	Correct	87 ms	13304 KB	Output is correct
58	Correct	96 ms	11256 KB	Output is correct
59	Correct	104 ms	11128 KB	Output is correct
60	Correct	93 ms	11128 KB	Output is correct
61	Correct	84 ms	11128 KB	Output is correct
62	Correct	65 ms	11128 KB	Output is correct
63	Correct	88 ms	11256 KB	Output is correct
64	Correct	106 ms	11000 KB	Output is correct
65	Correct	109 ms	11004 KB	Output is correct
66	Correct	96 ms	11000 KB	Output is correct
67	Correct	87 ms	11128 KB	Output is correct
68	Correct	97 ms	11128 KB	Output is correct
69	Correct	111 ms	11000 KB	Output is correct
70	Correct	112 ms	11032 KB	Output is correct
71	Correct	114 ms	10932 KB	Output is correct
72	Correct	104 ms	11004 KB	Output is correct
73	Correct	102 ms	11000 KB	Output is correct
74	Correct	77 ms	11000 KB	Output is correct
75	Correct	102 ms	11000 KB	Output is correct
76	Correct	81 ms	10616 KB	Output is correct
77	Correct	69 ms	8992 KB	Output is correct
78	Correct	57 ms	13304 KB	Output is correct
79	Correct	63 ms	11128 KB	Output is correct
80	Correct	94 ms	10744 KB	Output is correct
81	Correct	69 ms	9088 KB	Output is correct
82	Correct	55 ms	13304 KB	Output is correct
83	Correct	60 ms	11128 KB	Output is correct
84	Correct	110 ms	10996 KB	Output is correct
85	Correct	112 ms	10996 KB	Output is correct
86	Correct	121 ms	11008 KB	Output is correct
87	Correct	72 ms	9976 KB	Output is correct
88	Correct	107 ms	11084 KB	Output is correct

Submission #308740

Compilation message

Subtask #1 17.0 / 17.0

Subtask #2 8.0 / 8.0

Subtask #1
17.0 / 17.0

Subtask #2
8.0 / 8.0