Submission #18,999

2025-11-14 19:42:40

cpp17

Accepted 100/100

138ms

8768 KiB

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

#define int long long


int X2, Y2, X1, Y1;

bool comp1(array<int, 3> cr1, array<int, 3> cr2) {
    int x1 = (cr1[0])-(X2);
    int x2 = (cr2[0])-(X2);
    int y1 = (cr1[1])-(Y2);
    int y2 = (cr2[1])-(Y2);

    if(x1*y2 < y1*x2) {
        return 0;
    } else if (x1*y2 == y1*x2) {
        return (x1<x2);
    }
    else{
        return 1;
    }
}

bool comp2(array<int, 3> cr1, array<int, 3> cr2) {
    int x1 = (cr1[0])-(X1);
    int x2 = (cr2[0])-(X1);
    int y1 = (cr1[1])-(Y1);
    int y2 = (cr2[1])-(Y1);

    if(x1*y2 > y1*x2) {
        return 0;
    } else if (x1*y2 == y1*x2) {
        return (x1>x2);
    } else {
        return 1;
    }
}

signed main() {
    ios_base::sync_with_stdio();
    cin.tie(0);
    cout.tie(0);

    int n;
    cin >> n;
    vector<array<int, 3> > crd(n-2);
    vector<array<int, 3> > crd2;
    vector<array<int, 3> > pr(n-2);


    cin >> X1 >> Y1 >> X2 >> Y2;

    for(int i = 0; i < n-2; i++) {
        cin >> crd[i][0] >> crd[i][1];
        crd[i][2] = i+3;
    }
    crd2 = crd;


    sort(crd.begin(), crd.end(), comp1);
    sort(crd2.begin(), crd2.end(),comp2);


    for(int i = 0; i < n-2; i++) {
        pr[crd[i][2]-3][0] = i;
        pr[crd2[i][2]-3][1] = i;
        pr[crd2[i][2]-3][2] = crd2[i][2]-3;
    }
    sort(pr.begin(), pr.end());



    int mx = -1, mxindex;
    int elozo = n+10;
    for(int i = 0; i < n-2; i++) {
        //cout << pr[i][0] << ' ' << pr[i][1] << endl;
        int hozzaad = 0;
        if (elozo < pr[i][1]) {
            hozzaad = pr[i][1]-elozo;
        }
        elozo = pr[i][1];
        //cout << pr[i][2]+3 << ' '<< (n-pr[i][0]-pr[i][1]+hozzaad) << endl;

        if (mx < (n-pr[i][0]-pr[i][1]+hozzaad)) {
            mx = (n-pr[i][0]-pr[i][1]+hozzaad);
            mxindex =pr[i][2];
        } else if (mx == (n-pr[i][0]-pr[i][1]+hozzaad) && mxindex > pr[i][2]) {
            mxindex = pr[i][2];
        }
    }
    cout << mxindex + 3 << ' ' << mx << endl;



}

	Sum	Test	Verdict	Time	Memory
subtask1	0/0
		1	Accepted	1ms	508 KiB
		2	Accepted	81ms	4404 KiB
subtask2	5/5
		3	Accepted	1ms	508 KiB
		4	Accepted	1ms	316 KiB
		5	Accepted	1ms	316 KiB
		6	Accepted	1ms	528 KiB
		7	Accepted	1ms	316 KiB
		8	Accepted	1ms	316 KiB
subtask3	10/10
		9	Accepted	1ms	316 KiB
		10	Accepted	1ms	316 KiB
		11	Accepted	4ms	568 KiB
		12	Accepted	54ms	3600 KiB
		13	Accepted	67ms	4404 KiB
		14	Accepted	1ms	316 KiB
subtask4	10/10
		15	Accepted	1ms	496 KiB
		16	Accepted	1ms	508 KiB
		17	Accepted	1ms	316 KiB
		18	Accepted	1ms	508 KiB
		19	Accepted	3ms	564 KiB
		20	Accepted	3ms	564 KiB
		21	Accepted	28ms	2828 KiB
		22	Accepted	26ms	2668 KiB
		23	Accepted	27ms	2868 KiB
		24	Accepted	93ms	8676 KiB
subtask5	20/20
		25	Accepted	1ms	508 KiB
		26	Accepted	1ms	316 KiB
		27	Accepted	1ms	316 KiB
		28	Accepted	1ms	528 KiB
		29	Accepted	1ms	316 KiB
		30	Accepted	1ms	316 KiB
		31	Accepted	1ms	316 KiB
		32	Accepted	1ms	316 KiB
		33	Accepted	4ms	568 KiB
		34	Accepted	54ms	3600 KiB
		35	Accepted	67ms	4404 KiB
		36	Accepted	2ms	316 KiB
		37	Accepted	3ms	688 KiB
		38	Accepted	4ms	784 KiB
		39	Accepted	4ms	748 KiB
		40	Accepted	7ms	688 KiB
		41	Accepted	12ms	1224 KiB
		42	Accepted	25ms	1844 KiB
		43	Accepted	37ms	2680 KiB
		44	Accepted	52ms	3684 KiB
		45	Accepted	63ms	4404 KiB
		46	Accepted	57ms	4404 KiB
		47	Accepted	1ms	316 KiB
subtask6	55/55
		48	Accepted	1ms	508 KiB
		49	Accepted	82ms	4400 KiB
		50	Accepted	1ms	316 KiB
		51	Accepted	1ms	316 KiB
		52	Accepted	1ms	528 KiB
		53	Accepted	1ms	316 KiB
		54	Accepted	1ms	316 KiB
		55	Accepted	1ms	316 KiB
		56	Accepted	1ms	316 KiB
		57	Accepted	4ms	568 KiB
		58	Accepted	54ms	3600 KiB
		59	Accepted	67ms	4404 KiB
		60	Accepted	1ms	496 KiB
		61	Accepted	1ms	508 KiB
		62	Accepted	1ms	316 KiB
		63	Accepted	1ms	508 KiB
		64	Accepted	3ms	564 KiB
		65	Accepted	3ms	564 KiB
		66	Accepted	28ms	2828 KiB
		67	Accepted	26ms	2668 KiB
		68	Accepted	27ms	2868 KiB
		69	Accepted	93ms	8676 KiB
		70	Accepted	2ms	316 KiB
		71	Accepted	3ms	688 KiB
		72	Accepted	4ms	784 KiB
		73	Accepted	4ms	748 KiB
		74	Accepted	7ms	688 KiB
		75	Accepted	12ms	1224 KiB
		76	Accepted	25ms	1844 KiB
		77	Accepted	37ms	2680 KiB
		78	Accepted	52ms	3684 KiB
		79	Accepted	63ms	4404 KiB
		80	Accepted	2ms	316 KiB
		81	Accepted	3ms	748 KiB
		82	Accepted	4ms	564 KiB
		83	Accepted	4ms	564 KiB
		84	Accepted	6ms	672 KiB
		85	Accepted	12ms	988 KiB
		86	Accepted	25ms	1844 KiB
		87	Accepted	37ms	2868 KiB
		88	Accepted	54ms	3564 KiB
		89	Accepted	67ms	4400 KiB
		90	Accepted	79ms	5176 KiB
		91	Accepted	96ms	6196 KiB
		92	Accepted	108ms	6972 KiB
		93	Accepted	123ms	7732 KiB
		94	Accepted	125ms	7960 KiB
		95	Accepted	136ms	8676 KiB
		96	Accepted	137ms	8756 KiB
		97	Accepted	134ms	8608 KiB
		98	Accepted	136ms	8756 KiB
		99	Accepted	138ms	8768 KiB
		100	Accepted	57ms	4404 KiB
		101	Accepted	1ms	316 KiB