oj.uz

Submission #49426

# Submission time Handle Problem Language Result Execution time Memory
49426 2018-05-28T16:55:46 Z gs13105 Circle selection (APIO18_circle_selection) C++17
7 / 100
 157 ms 5340 KB 
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cassert>
#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <list>
#include <stack>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <tuple>
#include <iterator>

using namespace std;

struct cir
{
    int x, y, r, i;
    bool operator <(const cir &a) const
    {
        return r != a.r ? r > a.r : i < a.i;
    }
};

cir arr[300010];
int num[300010];
int res[300010];

bool inter(const cir &a, const cir &b)
{
    return 1LL * (a.x - b.x) * (a.x - b.x) + 1LL * (a.y - b.y) * (a.y - b.y) <= 1LL * (a.r + b.r) * (a.r + b.r);
}

int main()
{
    //freopen("in", "r", stdin);
    //freopen("out", "w", stdout);

    int n, i, j;
    scanf("%d", &n);
    for(i = 1; i <= n; i++)
    {
        int x, y, r;
        scanf("%d%d%d", &x, &y, &r);
        arr[i] = { x, y, r, i };
    }

    sort(arr + 1, arr + n + 1);

    if(n <= 5000)
    {
        for(i = 1; i <= n; i++)
            if(!num[i])
                for(j = 1; j <= n; j++)
                    if(!num[j] && inter(arr[i], arr[j]))
                        num[j] = arr[i].i;

        for(i = 1; i <= n; i++)
            res[arr[i].i] = num[i];

        for(i = 1; i <= n; i++)
            printf("%d ", res[i]);
        return 0;
    }

    return 0;
}

Compilation message

circle_selection.cpp: In function 'int main()':
circle_selection.cpp:44:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
circle_selection.cpp:48:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d", &x, &y, &r);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 3 ms 480 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 484 KB Output is correct
7 Correct 2 ms 484 KB Output is correct
8 Correct 3 ms 560 KB Output is correct
9 Correct 3 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 592 KB Output is correct
12 Correct 2 ms 592 KB Output is correct
13 Correct 2 ms 612 KB Output is correct
14 Correct 3 ms 612 KB Output is correct
15 Correct 3 ms 612 KB Output is correct
16 Correct 3 ms 728 KB Output is correct
17 Correct 3 ms 728 KB Output is correct
18 Correct 3 ms 728 KB Output is correct
19 Correct 6 ms 748 KB Output is correct
20 Correct 7 ms 748 KB Output is correct
21 Correct 6 ms 764 KB Output is correct
22 Correct 62 ms 780 KB Output is correct
23 Correct 49 ms 796 KB Output is correct
24 Correct 50 ms 796 KB Output is correct
25 Correct 49 ms 800 KB Output is correct
26 Correct 47 ms 800 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 153 ms 5340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 5340 KB Output is correct
2 Incorrect 68 ms 5340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 157 ms 5340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 3 ms 480 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 484 KB Output is correct
7 Correct 2 ms 484 KB Output is correct
8 Correct 3 ms 560 KB Output is correct
9 Correct 3 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 592 KB Output is correct
12 Correct 2 ms 592 KB Output is correct
13 Correct 2 ms 612 KB Output is correct
14 Correct 3 ms 612 KB Output is correct
15 Correct 3 ms 612 KB Output is correct
16 Correct 3 ms 728 KB Output is correct
17 Correct 3 ms 728 KB Output is correct
18 Correct 3 ms 728 KB Output is correct
19 Correct 6 ms 748 KB Output is correct
20 Correct 7 ms 748 KB Output is correct
21 Correct 6 ms 764 KB Output is correct
22 Correct 62 ms 780 KB Output is correct
23 Correct 49 ms 796 KB Output is correct
24 Correct 50 ms 796 KB Output is correct
25 Correct 49 ms 800 KB Output is correct
26 Correct 47 ms 800 KB Output is correct
27 Incorrect 9 ms 5340 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 3 ms 480 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 484 KB Output is correct
7 Correct 2 ms 484 KB Output is correct
8 Correct 3 ms 560 KB Output is correct
9 Correct 3 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 592 KB Output is correct
12 Correct 2 ms 592 KB Output is correct
13 Correct 2 ms 612 KB Output is correct
14 Correct 3 ms 612 KB Output is correct
15 Correct 3 ms 612 KB Output is correct
16 Correct 3 ms 728 KB Output is correct
17 Correct 3 ms 728 KB Output is correct
18 Correct 3 ms 728 KB Output is correct
19 Correct 6 ms 748 KB Output is correct
20 Correct 7 ms 748 KB Output is correct
21 Correct 6 ms 764 KB Output is correct
22 Correct 62 ms 780 KB Output is correct
23 Correct 49 ms 796 KB Output is correct
24 Correct 50 ms 796 KB Output is correct
25 Correct 49 ms 800 KB Output is correct
26 Correct 47 ms 800 KB Output is correct
27 Incorrect 153 ms 5340 KB Output isn't correct
28 Halted 0 ms 0 KB -