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Submission #774059

# Submission time Handle Problem Language Result Execution time Memory
774059 2023-07-05T11:39:34 Z xetrk Circle selection (APIO18_circle_selection) C++17
7 / 100
 3000 ms 69000 KB 
#pragma warning(disable:4996)

#include<bits/stdc++.h>
using namespace std;


typedef long long ll;
typedef long double ld;

int n;

vector<vector<ll>> circle;

vector<pair<ll, int>> sortRadius;
set<pair<ll, int>> sortX, sortY;

//int skipX[300100], skipY[300100];
//int xIdx[300100], yIdx[300100];

int ans[301000];

inline ll GetDist(ll x1, ll y1, ll x2, ll y2)
{
    // 아 좌표값 마이너스도 들어오네
    ll xx = max(x1, x2) - min(x1, x2);
    ll yy = max(y1, y2) - min(y1, y2);
    return (xx * xx) + (yy * yy);
}



bool comp(const pair<ll, int>& a, const pair<ll, int>& b)
{
    if (a.first == b.first)
        return a.second < b.second;
    return a.first < b.first;
}

bool compSort(const pair<ll, int>& a, const pair<ll, int>& b)
{
    if (a.first == b.first)
        return a.second < b.second;

    return a.first > b.first;
}

int main()
{
    ll x, y, r, r2;
    int i;
    scanf("%d", &n);

    for (int i = 0; i < n; i++)
    {
        scanf("%lld %lld %lld", &x, &y, &r);
        //x = 1, y = 1, r = 3;
        circle.push_back({ x,y,r });
        sortRadius.push_back({ r,i });
        sortX.insert({ x,i });
        sortY.insert({ y,i });
    }

    sort(sortRadius.begin(), sortRadius.end(), compSort);
    //sort(sortX.begin(), sortX.end());
    //sort(sortY.begin(), sortY.end());


    int cur, curcmp;
    //int xMin, xMax, yMin, yMax;
    ll rr;

    fill(ans, ans + n + 2, -1);

    for (int curDelete = 0; curDelete < n; curDelete++)
    {
        cur = sortRadius[curDelete].second;
        if (ans[cur] != -1)
            continue;


        x = circle[cur][0], y = circle[cur][1], r = circle[cur][2];
        if (curDelete < n - 1)
            r2 = r + sortRadius[curDelete + 1].first + 1;
        else
            r2 = r * 2 + 1;

        auto xMin = lower_bound(sortX.begin(), sortX.end(), pair<ll, int>(x - r2, -1), comp);
        auto xMax = upper_bound(sortX.begin(), sortX.end(), pair<ll, int>(x + r2, 301000), comp);

        auto yMin = lower_bound(sortY.begin(), sortY.end(), pair<ll, int>(y - r2, -1), comp);
        auto yMax = upper_bound(sortY.begin(), sortY.end(), pair<ll, int>(y + r2, 301000), comp);

        //        xMin--;
        //        yMin--;

        if (xMin != sortX.begin()) xMin--;
        if (yMin != sortY.begin()) yMin--;

        //xMin = 0, yMin = 0, xMax = n - 1, yMax = n - 1;


        ans[cur] = cur;
        //xIdx[cur]

        set<pair<ll, int>>::iterator curX = xMin, curY = yMin, nextX, nextY;
        bool isBreak = false;

        while (curX != sortX.end() && curY != sortY.end())
        {
            curcmp = (*curX).second;
            rr = r + circle[curcmp][2];

            ++curX;
            ++curY;
            nextX = curX;
            nextY = curY;
            curX--;
            curY--;

            if (curX == xMax || curY == yMax)
                isBreak = true;

            if (ans[curcmp] == -1 && GetDist(x, y, circle[curcmp][0], circle[curcmp][1]) <= rr * rr)
            {
                ans[curcmp] = cur;
                //sortX.erase(curX);
            }

            curcmp = (*curY).second;
            rr = r + circle[curcmp][2];

            if (ans[curcmp] == -1 && GetDist(x, y, circle[curcmp][0], circle[curcmp][1]) <= rr * rr)
            {
                ans[curcmp] = cur;
               //sortY.erase(curY);
            }

            if (isBreak)
                break;
            curX = nextX, curY = nextY;
        }


    }

    for (int i = 0; i < n; i++)
        printf("%d ", ans[i] + 1);

    return 0;
}

Compilation message

circle_selection.cpp:1: warning: ignoring '#pragma warning ' [-Wunknown-pragmas]
    1 | #pragma warning(disable:4996)
      | 
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:50:9: warning: unused variable 'i' [-Wunused-variable]
   50 |     int i;
      |         ^
circle_selection.cpp:51:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
circle_selection.cpp:55:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |         scanf("%lld %lld %lld", &x, &y, &r);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# 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 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 312 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 2 ms 264 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 2 ms 448 KB Output is correct
18 Correct 1 ms 540 KB Output is correct
19 Correct 6 ms 1492 KB Output is correct
20 Correct 6 ms 1492 KB Output is correct
21 Correct 9 ms 1476 KB Output is correct
22 Correct 2588 ms 1452 KB Output is correct
23 Correct 2533 ms 1456 KB Output is correct
24 Correct 2510 ms 1460 KB Output is correct
25 Correct 2583 ms 1444 KB Output is correct
26 Correct 2555 ms 1452 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 915 ms 69000 KB Output is correct
2 Correct 1113 ms 68904 KB Output is correct
3 Correct 902 ms 68640 KB Output is correct
4 Correct 875 ms 68980 KB Output is correct
5 Execution timed out 3066 ms 64816 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Execution timed out 3067 ms 22996 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3069 ms 68016 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# 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 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 312 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 2 ms 264 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 2 ms 448 KB Output is correct
18 Correct 1 ms 540 KB Output is correct
19 Correct 6 ms 1492 KB Output is correct
20 Correct 6 ms 1492 KB Output is correct
21 Correct 9 ms 1476 KB Output is correct
22 Correct 2588 ms 1452 KB Output is correct
23 Correct 2533 ms 1456 KB Output is correct
24 Correct 2510 ms 1460 KB Output is correct
25 Correct 2583 ms 1444 KB Output is correct
26 Correct 2555 ms 1452 KB Output is correct
27 Correct 24 ms 2624 KB Output is correct
28 Correct 15 ms 2552 KB Output is correct
29 Correct 14 ms 2572 KB Output is correct
30 Execution timed out 3086 ms 2572 KB Time limit exceeded
31 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# 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 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 312 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 2 ms 264 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 2 ms 448 KB Output is correct
18 Correct 1 ms 540 KB Output is correct
19 Correct 6 ms 1492 KB Output is correct
20 Correct 6 ms 1492 KB Output is correct
21 Correct 9 ms 1476 KB Output is correct
22 Correct 2588 ms 1452 KB Output is correct
23 Correct 2533 ms 1456 KB Output is correct
24 Correct 2510 ms 1460 KB Output is correct
25 Correct 2583 ms 1444 KB Output is correct
26 Correct 2555 ms 1452 KB Output is correct
27 Correct 915 ms 69000 KB Output is correct
28 Correct 1113 ms 68904 KB Output is correct
29 Correct 902 ms 68640 KB Output is correct
30 Correct 875 ms 68980 KB Output is correct
31 Execution timed out 3066 ms 64816 KB Time limit exceeded
32 Halted 0 ms 0 KB -