Submission #824519

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
824519	2023-08-14T07:20:09 Z	peteza	Let's Win the Election (JOI22_ho_t3)	C++14	16 / 100	2500 ms	312 KB

Main

#include <bits/stdc++.h>
using namespace std;
 
bool vis[505];
int n, k;
int as, bs;
vector<pair<int, int>> a, b;
 
int todo=0,ptr=0;
long double cans=1e18, ans = 1e18, csum = 0;
vector<int> vec;
int av[1005], bv[1005];

int main() {
    srand(time(NULL));
    cin >> n >> k;
    for(int i=0;i<n;i++) {
        cin >> as >> bs; av[i] = as; bv[i] = bs;
        a.emplace_back(as, i);
        if(bs!=-1) b.emplace_back(bs, i);
        vec.push_back(i);
    }
    sort(vec.begin(), vec.end(), [&](int i, int j){
        if(bv[i] == -1) return (bool)0;
        if(bv[j] == -1) return (bool)1;
        if(bv[i]-av[i] == bv[j]-av[j]) return av[i] > av[j];
        return bv[j]-av[i] > bv[j]-av[j];
    });
    //blablbalbllba
    sort(b.begin(), b.end());
    for(int K=0;K<5000;K++) {
        ans = 1e18; csum = 0;
        sort(a.begin(), a.end());
        for(int selb=0;selb<=b.size();selb++) {
            vector<bool> vis(n, 0);
            todo = k; csum = 0; ptr = 0;
            bool broke = 0;
            for(int i=0;i<selb;i++) {
                if(b[i].first == INT_MAX) broke = 1;
                vis[b[i].second] = 1;
                csum += 1.00*b[i].first/(i+1); todo--;
            }
            if(broke) break;
            while(ptr<n&&todo > 0){
                if(vis[a[ptr].second]){ptr++; continue;}
                csum += 1.00*a[ptr].first/(selb+1);
                todo--; ptr++;
            }
            if(todo<=0) ans = min(ans, csum);
        }
        cans = min(cans, ans);
        random_shuffle(b.begin(), b.end());
    }
    cout << cans;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:34:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |         for(int selb=0;selb<=b.size();selb++) {
      |                        ~~~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	21 ms	312 KB	Output is correct
6	Correct	22 ms	312 KB	Output is correct
7	Correct	23 ms	212 KB	Output is correct
8	Correct	23 ms	308 KB	Output is correct
9	Correct	25 ms	212 KB	Output is correct
10	Correct	35 ms	296 KB	Output is correct

Subtask #2
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	21 ms	312 KB	Output is correct
6	Correct	22 ms	312 KB	Output is correct
7	Correct	23 ms	212 KB	Output is correct
8	Correct	23 ms	308 KB	Output is correct
9	Correct	25 ms	212 KB	Output is correct
10	Correct	35 ms	296 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1220 ms	304 KB	Output is correct
13	Correct	559 ms	212 KB	Output is correct
14	Correct	180 ms	212 KB	Output is correct
15	Correct	1915 ms	296 KB	Output is correct
16	Correct	1149 ms	296 KB	Output is correct
17	Correct	382 ms	288 KB	Output is correct
18	Execution timed out	2591 ms	212 KB	Time limit exceeded
19	Halted	0 ms	0 KB	-

Subtask #3
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	212 KB	Output is correct
2	Correct	2 ms	304 KB	Output is correct
3	Correct	2 ms	212 KB	Output is correct
4	Correct	2 ms	212 KB	Output is correct
5	Correct	4 ms	212 KB	Output is correct
6	Correct	3 ms	212 KB	Output is correct
7	Correct	3 ms	212 KB	Output is correct
8	Correct	2 ms	212 KB	Output is correct
9	Correct	3 ms	212 KB	Output is correct
10	Correct	2 ms	212 KB	Output is correct
11	Correct	2 ms	212 KB	Output is correct
12	Correct	2 ms	212 KB	Output is correct
13	Correct	2 ms	212 KB	Output is correct
14	Correct	2 ms	212 KB	Output is correct
15	Correct	3 ms	312 KB	Output is correct

Subtask #4
0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	212 KB	Output is correct
2	Correct	2 ms	304 KB	Output is correct
3	Correct	2 ms	212 KB	Output is correct
4	Correct	2 ms	212 KB	Output is correct
5	Correct	4 ms	212 KB	Output is correct
6	Correct	3 ms	212 KB	Output is correct
7	Correct	3 ms	212 KB	Output is correct
8	Correct	2 ms	212 KB	Output is correct
9	Correct	3 ms	212 KB	Output is correct
10	Correct	2 ms	212 KB	Output is correct
11	Correct	2 ms	212 KB	Output is correct
12	Correct	2 ms	212 KB	Output is correct
13	Correct	2 ms	212 KB	Output is correct
14	Correct	2 ms	212 KB	Output is correct
15	Correct	3 ms	312 KB	Output is correct
16	Correct	6 ms	300 KB	Output is correct
17	Correct	7 ms	304 KB	Output is correct
18	Correct	9 ms	304 KB	Output is correct
19	Correct	9 ms	212 KB	Output is correct
20	Incorrect	8 ms	212 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #5
0 / 33.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	212 KB	Output is correct
2	Correct	2 ms	304 KB	Output is correct
3	Correct	2 ms	212 KB	Output is correct
4	Correct	2 ms	212 KB	Output is correct
5	Correct	4 ms	212 KB	Output is correct
6	Correct	3 ms	212 KB	Output is correct
7	Correct	3 ms	212 KB	Output is correct
8	Correct	2 ms	212 KB	Output is correct
9	Correct	3 ms	212 KB	Output is correct
10	Correct	2 ms	212 KB	Output is correct
11	Correct	2 ms	212 KB	Output is correct
12	Correct	2 ms	212 KB	Output is correct
13	Correct	2 ms	212 KB	Output is correct
14	Correct	2 ms	212 KB	Output is correct
15	Correct	3 ms	312 KB	Output is correct
16	Correct	6 ms	300 KB	Output is correct
17	Correct	7 ms	304 KB	Output is correct
18	Correct	9 ms	304 KB	Output is correct
19	Correct	9 ms	212 KB	Output is correct
20	Incorrect	8 ms	212 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #6
0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	2547 ms	212 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	21 ms	312 KB	Output is correct
6	Correct	22 ms	312 KB	Output is correct
7	Correct	23 ms	212 KB	Output is correct
8	Correct	23 ms	308 KB	Output is correct
9	Correct	25 ms	212 KB	Output is correct
10	Correct	35 ms	296 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1220 ms	304 KB	Output is correct
13	Correct	559 ms	212 KB	Output is correct
14	Correct	180 ms	212 KB	Output is correct
15	Correct	1915 ms	296 KB	Output is correct
16	Correct	1149 ms	296 KB	Output is correct
17	Correct	382 ms	288 KB	Output is correct
18	Execution timed out	2591 ms	212 KB	Time limit exceeded
19	Halted	0 ms	0 KB	-

Submission #824519

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 0 / 5.0

Subtask #3 11.0 / 11.0

Subtask #4 0 / 12.0

Subtask #5 0 / 33.0

Subtask #6 0 / 11.0

Subtask #7 0 / 23.0

Subtask #1
5.0 / 5.0

Subtask #2
0 / 5.0

Subtask #3
11.0 / 11.0

Subtask #4
0 / 12.0

Subtask #5
0 / 33.0

Subtask #6
0 / 11.0

Subtask #7
0 / 23.0