Submission #858883

#	Time	Username	Problem	Language	Result	Execution time	Memory
858883		qin	Mechanical Doll (IOI18_doll)	C++17	2 / 100	15 ms	2392 KiB

doll

#ifdef LOCAL
#else
#include "doll.h"
#endif
#include <bits/stdc++.h>
#define fi first
#define se second
#define ssize(x) int(x.size())
#define pn printf("\n")
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
int inf = 2e09; ll infll = 2e18;
void create_circuit(int m, vector<int> t){
		/*t.emplace_back(0); int n = ssize(t);
		vector<int> c(m+1);
		
		int base = 1, log = 0;
		while(base < n) base <<= 1, ++log;
		while(ssize(t) != base) t.emplace_back(-1);
		
		vector<int> tmp0, tmp1;
		for(int len = base; len > 2; len >>= 1){
				for(int p = 0; p < base; p += len){
						tmp0 = vector<int>(), tmp1 = vector<int>();
						for(int i = p; i < p+len; ++i) if(i&1) tmp1.emplace_back(t[i]);
													   else    tmp0.emplace_back(t[i]);
						for(int i = 0; i < len/2; ++i)   t[i+p] = tmp0[i];
						for(int i = len/2; i < len; ++i) t[i+p] = tmp1[i-len/2];
				}
		}
		for(int i = 0; i < base; ++i) if(t[i] == 0){ swap(t[i], t[base-1]); break; }
		vector<int> X, Y;
		for(int i = 1; i < base/2; ++i) X.emplace_back(-(i<<1)), Y.emplace_back(-(i<<1|1));
		for(int i = base/2; i < base; ++i) X.emplace_back(t[(i<<1)-base]), Y.emplace_back(t[(i<<1|1)-base]);
		for(int i = 0; i <= m; ++i) c[i] = -1;
		#ifdef LOCAL
		for(int i = 0; i < ssize(X); ++i) printf("%d %d\n", X[i], Y[i]);
		#else
		answer(c, X, Y);
		#endif*/
		vector<int> c(m+1), X, Y;
		c[0] = t[0];
		for(int i = 0; i < ssize(t)-1; ++i) c[t[i]] = t[i+1];
		c[t[ssize(t)-1]] = 0;
		answer(c, X, Y);
}
#ifdef LOCAL
int main(){
		int T = 1;
		for(++T; --T; ){
				int m, n; scanf("%d%d", &m, &n);
				vector<int> A(n);
				for(int i = 0; i < n; ++i) scanf("%d", &A[i]);
				create_circuit(m, A);
		}
		return 0;
}
#endif

• Subtask 1: 2 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 18
• Subtask 6: 0 / 56