oj.uz

Submission #58561

# Submission time Handle Problem Language Result Execution time Memory
58561 2018-07-18T07:59:20 Z Mamnoon_Siam ICC (CEOI16_icc) C++17
0 / 100
 331 ms 788 KB 
#include "icc.h"
#include <bits/stdc++.h>
using namespace std;

const int maxn = 105;

int n;
int ok[maxn][maxn];

int ask(int u, int v) {
	int a[1] = {u}, b[1] = {v};
	return query(1, 1, a, b);
}

int chex(int u) {
	int a[1] = {u}, b[maxn];
	int sz_a = 1, sz_b = 0;
	for(int i = 1; i <= n; i++) {
		if(i == u) continue;
		if(!ok[u][i]) {
			b[sz_b++] = i;
		}
	}
	if(!sz_b) return 0;
	return query(sz_a, sz_b, a, b);
}

int find_another(int u) {
	int a[1] = {u}, b[1];
	for(int i = 1; i <= n; i++) {
		if(i == u) continue;
		if(!ok[u][i]) {
			b[0] = i;
			if(query(1, 1, a, b)) {
				return i;
			}
		}
	} assert(false);
}

void run(int N) {
	n = N;
	while(true) {
		int u = -1;
		for(int i = 1; i <= n; i++) {
			if(chex(i)) {
				u = i;
				break;
			}
		}
		assert(u != -1);
		int v = find_another(u);
		if(u > v) swap(u, v);
		setRoad(u, v);
		ok[u][v] = 1;
		ok[v][u] = 1;
		// for(int u = 1; u <= n; u++) {
		// 	for(int v = u + 1; v <= n; v++) {
		// 		if(!ok[u][v]) {
		// 			if(ask(u, v)) {
		// 				setRoad(u, v);
		// 				ok[u][v] = 1;
		// 				ok[v][u] = 1;
		// 				goto hell;
		// 			}
		// 		}
		// 	}
		// }
		// assert(false);
		// hell : ;
	}
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 504 KB Ok! 301 queries used.
2 Incorrect 16 ms 652 KB Wrong road!

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 37 ms 652 KB Wrong road!
2 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 219 ms 712 KB Wrong road!
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 230 ms 712 KB Wrong road!
2 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 331 ms 776 KB Number of queries more than 3550 out of 1775
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 305 ms 788 KB Number of queries more than 3250 out of 1625
2 Halted 0 ms 0 KB -