답안 #74599

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
74599 2018-09-05T01:14:02 Z tincamatei Gap (APIO16_gap) C++14
70 / 100
93 ms 5192 KB
#include <bits/stdc++.h>
//#define HOME
#ifndef HOME
	#include "gap.h"
#else
 
long long findGap(int, int);
 
namespace grader {
static void my_assert(int k){ if (!k) exit(1); }
 
static int subtask_num, N;
static long long A[100001];
static long long call_count;
 
void MinMax(long long s, long long t, long long *mn, long long *mx)
{
	int lo = 1, hi = N, left = N+1, right = 0;
	my_assert(s <= t && mn != NULL && mx != NULL);
	while (lo <= hi){
		int mid = (lo+hi)>>1;
		if (A[mid] >= s) hi = mid - 1, left = mid;
		else lo = mid + 1;
	}
	lo = 1, hi = N;
	while (lo <= hi){
		int mid = (lo+hi)>>1;
		if (A[mid] <= t) lo = mid + 1, right = mid;
		else hi = mid - 1;
	}
	if (left > right) *mn = *mx = -1;
	else{
		*mn = A[left];
		*mx = A[right];
	}
	if (subtask_num == 1) call_count++;
	else if (subtask_num == 2) call_count += right-left+2;
}
 
void grader() {
	FILE *in = stdin, *out = stdout;
	my_assert(2 == fscanf(in, "%d%d", &subtask_num, &N));
	my_assert(1 <= subtask_num && subtask_num <= 2);
	my_assert(2 <= N && N <= 100000);
	for (int i=1;i<=N;i++) my_assert(1 == fscanf(in, "%lld", A+i));
	for (int i=1;i<N;i++) my_assert(A[i] < A[i+1]);
	fprintf(out, "Gap : %lld\n", findGap(subtask_num, N));
	fprintf(out, "Calls: %lld\n", call_count);
}
 
}
 
void MinMax(long long s, long long t, long long *mn, long long *mx) {
	grader::MinMax(s, t, mn, mx);
}
 
int main()
{
	grader::grader();
}
 
 
#endif
 
const int MAX_N = 100000;
const long long INF = 1000000000000000000LL;
 
long long v[MAX_N];
 
long long findGap(int T, int N) {
	int top = 0;
	long long mn, mx, mnAll;
	MinMax(0, INF, &mn, &mx);
	//printf("%lld %lld\n", mn, mx);
	mnAll = mn;
    long long expect = (mx - mn) / (N - 1) + 1;
    for(int i = 0; i < N - 1; ++i) {
	    MinMax(mnAll + i * expect, mnAll + i * expect + expect - 1, &mn, &mx);
	    //printf("%lld %lld %lld %lld\n", mnAll + i * expect, mnAll + i * expect + expect - 1, mn, mx);
	    if(mn != -1)
	        v[top++] = mn;
	    if(mn != mx && mx != -1)
	        v[top++] = mx;
	}
	//for(int i = 0; i < top; ++i)
	//    printf("%lld ", v[i]);
	long long rez = 0LL;
	for(int i = 0; i < top - 1; ++i)
	    rez = std::max(rez, v[i + 1] - v[i]);
	return rez;
}
# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Incorrect 2 ms 476 KB Output isn't correct
3 Incorrect 3 ms 476 KB Output isn't correct
4 Incorrect 2 ms 476 KB Output isn't correct
5 Incorrect 2 ms 492 KB Output isn't correct
6 Incorrect 2 ms 604 KB Output isn't correct
7 Incorrect 2 ms 604 KB Output isn't correct
8 Incorrect 2 ms 620 KB Output isn't correct
9 Incorrect 2 ms 624 KB Output isn't correct
10 Incorrect 2 ms 648 KB Output isn't correct
11 Incorrect 3 ms 784 KB Output isn't correct
12 Incorrect 3 ms 824 KB Output isn't correct
13 Incorrect 4 ms 824 KB Output isn't correct
14 Incorrect 3 ms 824 KB Output isn't correct
15 Incorrect 3 ms 824 KB Output isn't correct
16 Incorrect 20 ms 1576 KB Output isn't correct
17 Incorrect 20 ms 2040 KB Output isn't correct
18 Incorrect 22 ms 2464 KB Output isn't correct
19 Incorrect 20 ms 3096 KB Output isn't correct
20 Incorrect 10 ms 3096 KB Output isn't correct
21 Incorrect 78 ms 5124 KB Output isn't correct
22 Incorrect 75 ms 5124 KB Output isn't correct
23 Incorrect 78 ms 5124 KB Output isn't correct
24 Incorrect 79 ms 5124 KB Output isn't correct
25 Incorrect 71 ms 5192 KB Output isn't correct
26 Incorrect 77 ms 5192 KB Output isn't correct
27 Incorrect 78 ms 5192 KB Output isn't correct
28 Incorrect 78 ms 5192 KB Output isn't correct
29 Incorrect 78 ms 5192 KB Output isn't correct
30 Incorrect 39 ms 5192 KB Output isn't correct
31 Incorrect 2 ms 5192 KB Output isn't correct
32 Incorrect 2 ms 5192 KB Output isn't correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 5192 KB Output is correct
2 Correct 2 ms 5192 KB Output is correct
3 Correct 2 ms 5192 KB Output is correct
4 Correct 2 ms 5192 KB Output is correct
5 Correct 2 ms 5192 KB Output is correct
6 Correct 2 ms 5192 KB Output is correct
7 Correct 2 ms 5192 KB Output is correct
8 Correct 3 ms 5192 KB Output is correct
9 Correct 2 ms 5192 KB Output is correct
10 Correct 2 ms 5192 KB Output is correct
11 Correct 3 ms 5192 KB Output is correct
12 Correct 3 ms 5192 KB Output is correct
13 Correct 3 ms 5192 KB Output is correct
14 Correct 3 ms 5192 KB Output is correct
15 Correct 3 ms 5192 KB Output is correct
16 Correct 19 ms 5192 KB Output is correct
17 Correct 20 ms 5192 KB Output is correct
18 Correct 25 ms 5192 KB Output is correct
19 Correct 19 ms 5192 KB Output is correct
20 Correct 10 ms 5192 KB Output is correct
21 Correct 93 ms 5192 KB Output is correct
22 Correct 78 ms 5192 KB Output is correct
23 Correct 78 ms 5192 KB Output is correct
24 Correct 77 ms 5192 KB Output is correct
25 Correct 70 ms 5192 KB Output is correct
26 Correct 77 ms 5192 KB Output is correct
27 Correct 76 ms 5192 KB Output is correct
28 Correct 78 ms 5192 KB Output is correct
29 Correct 77 ms 5192 KB Output is correct
30 Correct 44 ms 5192 KB Output is correct
31 Correct 2 ms 5192 KB Output is correct
32 Correct 2 ms 5192 KB Output is correct