Submission #15480

#	Time	Username	Problem	Language	Result	Execution time	Memory
15480		myungwoo	통로 위의 개미 (kriii3_X)	C++14	0 / 85	34 ms	7976 KiB

X

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

#define MAXM 200005
#define pb push_back
typedef long long lld;

int L, M, N;
lld pos[MAXM];

struct Z{
	lld t;
	int p, x, d;
} Q[MAXM];

int main()
{
	scanf("%d%d", &L, &M);
	for (int i=1;i<=M;i++){
		scanf("%d%d%d", &Q[i].t, &Q[i].p, &Q[i].x);
		if (Q[i].p == 1) scanf("%d", &Q[i].d);
	}
	sort(Q+1, Q+M+1, [](const Z &a, const Z &b){
		return a.t < b.t;
	});
	vector <int> ord(1, 0);
	for (int qq=1;qq<=M;qq++){
		Z &q = Q[qq];
		vector <lld> arr(N+1, 0);
		for (int i=1;i<=N;i++){
			arr[i] = (pos[i] + q.t) % (L+L);
			if (arr[i] > L) arr[i] = L - (arr[i] - L);
		}
		sort(arr.begin()+1, arr.end());
		if (q.p == 1){
			if (q.d == 1){
				pos[++N] = q.x - q.t;
			}else{
				pos[++N] = L+L - q.x - q.t;
			}
			int t = 0;
			for (int i=1;i<N;i++) if (arr[i] < q.x) t = i;
			ord.pb(0);
			for (int i=N-1;i>t;i--) ord[i+1] = ord[i];
			ord[t+1] = N;
		}else{
			for (int i=1;i<=N;i++) if (ord[i] == q.x) printf("%lld\n", arr[i]);
		}
	}
}

• Subtask 1: 0 / 30
• Subtask 2: 0 / 55