Submission #293918

# Submission time Handle Problem Language Result Execution time Memory
293918 2020-09-08T13:45:14 Z sabamaku Exercise Deadlines (CCO20_day1problem2) C++14
25 / 25
258 ms 56472 KB
#include<bits/stdc++.h>
using namespace std;

int n,d[2000005],p[2000005];

vector <int> mp[2000005];

priority_queue <int> q;

int solve(int a){
    int x = 0;
    for(int i = a; i > 0; i -= (i & -i)){
        x += p[i];
    }
    return x;
}

void update(int a){
    for(int i = a + 1; i <= n; i += (i & -i)){
        p[i]++;
    }
}

int a;

int main(){
    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> d[i];
        mp[d[i]].push_back(i);
    }
    sort(d + 1,d + n + 1);
    for(int i = 1; i <= n; i++){
        if(d[i] < i){
            cout << -1;
            return 0;
        }
    }
    long long ans = 0;
    for(int i = n; i >= 1; i--){
        for(int j = 0; j < mp[i].size(); j++){
            q.push(mp[i][j]);
        }
        a = q.top();
        q.pop();
        int x = solve(a);
        ans += i - (a - x);
        update(a);
    }
    cout << ans;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:41:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |         for(int j = 0; j < mp[i].size(); j++){
      |                        ~~^~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 36 ms 47488 KB Output is correct
2 Correct 37 ms 47480 KB Output is correct
3 Correct 36 ms 47360 KB Output is correct
4 Correct 36 ms 47396 KB Output is correct
5 Correct 36 ms 47480 KB Output is correct
6 Correct 38 ms 47480 KB Output is correct
7 Correct 36 ms 47488 KB Output is correct
8 Correct 36 ms 47488 KB Output is correct
9 Correct 36 ms 47480 KB Output is correct
10 Correct 35 ms 47488 KB Output is correct
11 Correct 36 ms 47488 KB Output is correct
12 Correct 35 ms 47488 KB Output is correct
13 Correct 36 ms 47480 KB Output is correct
14 Correct 36 ms 47480 KB Output is correct
15 Correct 35 ms 47488 KB Output is correct
16 Correct 35 ms 47480 KB Output is correct
17 Correct 35 ms 47488 KB Output is correct
18 Correct 37 ms 47480 KB Output is correct
19 Correct 35 ms 47488 KB Output is correct
20 Correct 36 ms 47480 KB Output is correct
21 Correct 35 ms 47480 KB Output is correct
22 Correct 35 ms 47480 KB Output is correct
23 Correct 37 ms 47480 KB Output is correct
24 Correct 36 ms 47488 KB Output is correct
25 Correct 36 ms 47356 KB Output is correct
26 Correct 36 ms 47488 KB Output is correct
27 Correct 37 ms 47532 KB Output is correct
28 Correct 36 ms 47480 KB Output is correct
29 Correct 36 ms 47380 KB Output is correct
30 Correct 36 ms 47480 KB Output is correct
31 Correct 35 ms 47360 KB Output is correct
32 Correct 38 ms 47360 KB Output is correct
33 Correct 35 ms 47488 KB Output is correct
34 Correct 35 ms 47480 KB Output is correct
35 Correct 36 ms 47352 KB Output is correct
36 Correct 35 ms 47360 KB Output is correct
37 Correct 35 ms 47480 KB Output is correct
38 Correct 35 ms 47480 KB Output is correct
39 Correct 35 ms 47480 KB Output is correct
40 Correct 36 ms 47488 KB Output is correct
41 Correct 35 ms 47352 KB Output is correct
42 Correct 37 ms 47608 KB Output is correct
43 Correct 35 ms 47392 KB Output is correct
44 Correct 32 ms 47224 KB Output is correct
45 Correct 33 ms 47232 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 36 ms 47488 KB Output is correct
2 Correct 37 ms 47480 KB Output is correct
3 Correct 36 ms 47360 KB Output is correct
4 Correct 36 ms 47396 KB Output is correct
5 Correct 36 ms 47480 KB Output is correct
6 Correct 38 ms 47480 KB Output is correct
7 Correct 36 ms 47488 KB Output is correct
8 Correct 36 ms 47488 KB Output is correct
9 Correct 36 ms 47480 KB Output is correct
10 Correct 35 ms 47488 KB Output is correct
11 Correct 36 ms 47488 KB Output is correct
12 Correct 35 ms 47488 KB Output is correct
13 Correct 36 ms 47480 KB Output is correct
14 Correct 36 ms 47480 KB Output is correct
15 Correct 35 ms 47488 KB Output is correct
16 Correct 35 ms 47480 KB Output is correct
17 Correct 35 ms 47488 KB Output is correct
18 Correct 37 ms 47480 KB Output is correct
19 Correct 35 ms 47488 KB Output is correct
20 Correct 36 ms 47480 KB Output is correct
21 Correct 35 ms 47480 KB Output is correct
22 Correct 35 ms 47480 KB Output is correct
23 Correct 37 ms 47480 KB Output is correct
24 Correct 36 ms 47488 KB Output is correct
25 Correct 36 ms 47356 KB Output is correct
26 Correct 36 ms 47488 KB Output is correct
27 Correct 37 ms 47532 KB Output is correct
28 Correct 36 ms 47480 KB Output is correct
29 Correct 36 ms 47380 KB Output is correct
30 Correct 36 ms 47480 KB Output is correct
31 Correct 35 ms 47360 KB Output is correct
32 Correct 38 ms 47360 KB Output is correct
33 Correct 35 ms 47488 KB Output is correct
34 Correct 35 ms 47480 KB Output is correct
35 Correct 36 ms 47352 KB Output is correct
36 Correct 35 ms 47360 KB Output is correct
37 Correct 35 ms 47480 KB Output is correct
38 Correct 35 ms 47480 KB Output is correct
39 Correct 35 ms 47480 KB Output is correct
40 Correct 36 ms 47488 KB Output is correct
41 Correct 35 ms 47352 KB Output is correct
42 Correct 37 ms 47608 KB Output is correct
43 Correct 35 ms 47392 KB Output is correct
44 Correct 32 ms 47224 KB Output is correct
45 Correct 33 ms 47232 KB Output is correct
46 Correct 249 ms 52600 KB Output is correct
47 Correct 258 ms 53876 KB Output is correct
48 Correct 230 ms 54000 KB Output is correct
49 Correct 238 ms 53876 KB Output is correct
50 Correct 247 ms 53872 KB Output is correct
51 Correct 232 ms 53876 KB Output is correct
52 Correct 237 ms 56312 KB Output is correct
53 Correct 238 ms 56472 KB Output is correct
54 Correct 210 ms 56440 KB Output is correct
55 Correct 181 ms 56440 KB Output is correct
56 Correct 208 ms 56312 KB Output is correct
57 Correct 213 ms 56440 KB Output is correct
58 Correct 232 ms 54136 KB Output is correct
59 Correct 237 ms 54264 KB Output is correct
60 Correct 234 ms 54136 KB Output is correct
61 Correct 211 ms 54232 KB Output is correct
62 Correct 189 ms 54184 KB Output is correct
63 Correct 215 ms 54308 KB Output is correct
64 Correct 243 ms 54136 KB Output is correct
65 Correct 242 ms 54136 KB Output is correct
66 Correct 226 ms 54116 KB Output is correct
67 Correct 217 ms 54220 KB Output is correct
68 Correct 235 ms 54264 KB Output is correct
69 Correct 236 ms 54136 KB Output is correct
70 Correct 247 ms 54072 KB Output is correct
71 Correct 245 ms 54008 KB Output is correct
72 Correct 246 ms 54008 KB Output is correct
73 Correct 235 ms 54008 KB Output is correct
74 Correct 208 ms 54008 KB Output is correct
75 Correct 231 ms 54012 KB Output is correct
76 Correct 209 ms 52664 KB Output is correct
77 Correct 200 ms 52128 KB Output is correct
78 Correct 186 ms 56312 KB Output is correct
79 Correct 186 ms 54264 KB Output is correct
80 Correct 204 ms 52600 KB Output is correct
81 Correct 205 ms 52216 KB Output is correct
82 Correct 180 ms 56440 KB Output is correct
83 Correct 194 ms 54264 KB Output is correct
84 Correct 247 ms 54104 KB Output is correct
85 Correct 254 ms 54132 KB Output is correct
86 Correct 255 ms 54132 KB Output is correct
87 Correct 212 ms 52976 KB Output is correct
88 Correct 257 ms 54132 KB Output is correct