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Submission #577940

# Submission time Handle Problem Language Result Execution time Memory
577940 2022-06-15T13:42:59 Z MohamedFaresNebili Exercise Deadlines (CCO20_day1problem2) C++14
25 / 25
 242 ms 15460 KB 
#include <bits/stdc++.h>
using namespace std;
    vector<vector<int> > l;

vector<int> s;
int t[800005];
int sum(int v, int tl, int tr, int l, int r) {
    if (l > r)
        return 0;
    if (l == tl && r == tr) {
        return t[v];
    }
    int tm = (tl + tr) / 2;
    return sum(v*2, tl, tm, l, min(r, tm))
           + sum(v*2+1, tm+1, tr, max(l, tm+1), r);
}

void update(int v, int tl, int tr, int pos, int new_val) {
    if (tl == tr) {
        t[v] += new_val;
    } else {
        int tm = (tl + tr) / 2;
        if (pos <= tm)
            update(v*2, tl, tm, pos, new_val);
        else
            update(v*2+1, tm+1, tr, pos, new_val);
        t[v] = t[v*2] + t[v*2+1];
    }
}

int main(){
    int n;
    cin >> n;
    l.resize(n+1);
    for(int i = 0; i < n; i++){
        int a;
        cin >> a;
        s.push_back(a);
        l[a].push_back(i);
        update(1,0,n-1,i,1);
    }
    priority_queue<int> q;
    long long res = 0;
    for(int i = n-1; i >= 0; i--){
        for(int j=0;j<l[i+1].size();j++)
        {
            q.push(l[i+1][j]);
        }
        if(q.empty())
        {
            cout << -1 << endl;
            return 0;
        }
        int u=q.top();
        q.pop();
      //  cout << res << endl;
        int j = sum(1,0,n-1,0,u);
        res += i-j+1;
        update(1,0,n-1, u,-1);
    }
    cout << res << endl;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:45:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |         for(int j=0;j<l[i+1].size();j++)
      |                     ~^~~~~~~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 596 KB Output is correct
2 Correct 4 ms 572 KB Output is correct
3 Correct 4 ms 596 KB Output is correct
4 Correct 5 ms 568 KB Output is correct
5 Correct 8 ms 596 KB Output is correct
6 Correct 4 ms 596 KB Output is correct
7 Correct 4 ms 596 KB Output is correct
8 Correct 4 ms 596 KB Output is correct
9 Correct 3 ms 596 KB Output is correct
10 Correct 4 ms 572 KB Output is correct
11 Correct 4 ms 596 KB Output is correct
12 Correct 4 ms 596 KB Output is correct
13 Correct 4 ms 596 KB Output is correct
14 Correct 5 ms 608 KB Output is correct
15 Correct 3 ms 560 KB Output is correct
16 Correct 3 ms 640 KB Output is correct
17 Correct 4 ms 596 KB Output is correct
18 Correct 6 ms 520 KB Output is correct
19 Correct 5 ms 596 KB Output is correct
20 Correct 5 ms 596 KB Output is correct
21 Correct 5 ms 596 KB Output is correct
22 Correct 5 ms 572 KB Output is correct
23 Correct 5 ms 596 KB Output is correct
24 Correct 4 ms 596 KB Output is correct
25 Correct 4 ms 588 KB Output is correct
26 Correct 4 ms 596 KB Output is correct
27 Correct 4 ms 596 KB Output is correct
28 Correct 4 ms 596 KB Output is correct
29 Correct 4 ms 644 KB Output is correct
30 Correct 4 ms 576 KB Output is correct
31 Correct 4 ms 596 KB Output is correct
32 Correct 4 ms 596 KB Output is correct
33 Correct 3 ms 596 KB Output is correct
34 Correct 4 ms 552 KB Output is correct
35 Correct 5 ms 596 KB Output is correct
36 Correct 5 ms 596 KB Output is correct
37 Correct 4 ms 596 KB Output is correct
38 Correct 4 ms 596 KB Output is correct
39 Correct 4 ms 596 KB Output is correct
40 Correct 4 ms 596 KB Output is correct
41 Correct 4 ms 628 KB Output is correct
42 Correct 4 ms 596 KB Output is correct
43 Correct 3 ms 596 KB Output is correct
44 Correct 1 ms 312 KB Output is correct
45 Correct 1 ms 212 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 596 KB Output is correct
2 Correct 4 ms 572 KB Output is correct
3 Correct 4 ms 596 KB Output is correct
4 Correct 5 ms 568 KB Output is correct
5 Correct 8 ms 596 KB Output is correct
6 Correct 4 ms 596 KB Output is correct
7 Correct 4 ms 596 KB Output is correct
8 Correct 4 ms 596 KB Output is correct
9 Correct 3 ms 596 KB Output is correct
10 Correct 4 ms 572 KB Output is correct
11 Correct 4 ms 596 KB Output is correct
12 Correct 4 ms 596 KB Output is correct
13 Correct 4 ms 596 KB Output is correct
14 Correct 5 ms 608 KB Output is correct
15 Correct 3 ms 560 KB Output is correct
16 Correct 3 ms 640 KB Output is correct
17 Correct 4 ms 596 KB Output is correct
18 Correct 6 ms 520 KB Output is correct
19 Correct 5 ms 596 KB Output is correct
20 Correct 5 ms 596 KB Output is correct
21 Correct 5 ms 596 KB Output is correct
22 Correct 5 ms 572 KB Output is correct
23 Correct 5 ms 596 KB Output is correct
24 Correct 4 ms 596 KB Output is correct
25 Correct 4 ms 588 KB Output is correct
26 Correct 4 ms 596 KB Output is correct
27 Correct 4 ms 596 KB Output is correct
28 Correct 4 ms 596 KB Output is correct
29 Correct 4 ms 644 KB Output is correct
30 Correct 4 ms 576 KB Output is correct
31 Correct 4 ms 596 KB Output is correct
32 Correct 4 ms 596 KB Output is correct
33 Correct 3 ms 596 KB Output is correct
34 Correct 4 ms 552 KB Output is correct
35 Correct 5 ms 596 KB Output is correct
36 Correct 5 ms 596 KB Output is correct
37 Correct 4 ms 596 KB Output is correct
38 Correct 4 ms 596 KB Output is correct
39 Correct 4 ms 596 KB Output is correct
40 Correct 4 ms 596 KB Output is correct
41 Correct 4 ms 628 KB Output is correct
42 Correct 4 ms 596 KB Output is correct
43 Correct 3 ms 596 KB Output is correct
44 Correct 1 ms 312 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 198 ms 13240 KB Output is correct
47 Correct 213 ms 13204 KB Output is correct
48 Correct 176 ms 13156 KB Output is correct
49 Correct 176 ms 13220 KB Output is correct
50 Correct 209 ms 13216 KB Output is correct
51 Correct 199 ms 13272 KB Output is correct
52 Correct 202 ms 15352 KB Output is correct
53 Correct 242 ms 15412 KB Output is correct
54 Correct 157 ms 15336 KB Output is correct
55 Correct 144 ms 15364 KB Output is correct
56 Correct 184 ms 15332 KB Output is correct
57 Correct 168 ms 15432 KB Output is correct
58 Correct 194 ms 13096 KB Output is correct
59 Correct 229 ms 13196 KB Output is correct
60 Correct 193 ms 13152 KB Output is correct
61 Correct 186 ms 13200 KB Output is correct
62 Correct 149 ms 13112 KB Output is correct
63 Correct 171 ms 13120 KB Output is correct
64 Correct 214 ms 12960 KB Output is correct
65 Correct 219 ms 13056 KB Output is correct
66 Correct 190 ms 13152 KB Output is correct
67 Correct 185 ms 12992 KB Output is correct
68 Correct 181 ms 13092 KB Output is correct
69 Correct 206 ms 13064 KB Output is correct
70 Correct 197 ms 12996 KB Output is correct
71 Correct 218 ms 13008 KB Output is correct
72 Correct 215 ms 13096 KB Output is correct
73 Correct 212 ms 12920 KB Output is correct
74 Correct 152 ms 12980 KB Output is correct
75 Correct 221 ms 12964 KB Output is correct
76 Correct 147 ms 12580 KB Output is correct
77 Correct 148 ms 12016 KB Output is correct
78 Correct 153 ms 15316 KB Output is correct
79 Correct 145 ms 13124 KB Output is correct
80 Correct 161 ms 12716 KB Output is correct
81 Correct 151 ms 12016 KB Output is correct
82 Correct 174 ms 15460 KB Output is correct
83 Correct 139 ms 13176 KB Output is correct
84 Correct 204 ms 13260 KB Output is correct
85 Correct 206 ms 13188 KB Output is correct
86 Correct 192 ms 13104 KB Output is correct
87 Correct 117 ms 12660 KB Output is correct
88 Correct 232 ms 13172 KB Output is correct