Submission #102801

# Submission time Handle Problem Language Result Execution time Memory
102801 2019-03-27T15:37:52 Z CorneliuVadimTudor Gap (APIO16_gap) C++14
59.0204 / 100
84 ms 3436 KB
#include <bits/stdc++.h>

#include "gap.h"

std::vector <long long> V;
long long findGap(int T, int N){
    long long A, B;
    MinMax(0, 1000000000000000000LL, &A, &B);

    long long Dmax = B - A;
    long long dist = ceil(1.0 * Dmax / (N - 1));
    long long st;
    for(st = A; st + dist <= B; st += dist){
        long long a, b;
        MinMax(st, st + dist - 1, &a, &b);
        V.push_back(a);
        V.push_back(b);
    }
    std::sort(V.begin(), V.end());
    long long a, b;
    MinMax(st, B, &a, &b);
    V.push_back(a);
    V.push_back(b);

    long long maxx = 0;
    for(int i = 0; i + 1 < V.size(); i++)
        if(V[i] != -1 && V[i + 1] - V[i] > maxx) maxx = V[i + 1] - V[i];
    return maxx;
};

/*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;
}

int main()
{
	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, "%lld\n", findGap(subtask_num, N));
	fprintf(out, "%lld\n", call_count);
}*/

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:26:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i + 1 < V.size(); i++)
                    ~~~~~~^~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 384 KB Output isn't correct
2 Incorrect 3 ms 384 KB Output isn't correct
3 Incorrect 3 ms 384 KB Output isn't correct
4 Incorrect 2 ms 384 KB Output isn't correct
5 Incorrect 2 ms 384 KB Output isn't correct
6 Incorrect 3 ms 384 KB Output isn't correct
7 Incorrect 2 ms 384 KB Output isn't correct
8 Incorrect 2 ms 384 KB Output isn't correct
9 Incorrect 2 ms 384 KB Output isn't correct
10 Incorrect 2 ms 384 KB Output isn't correct
11 Incorrect 3 ms 384 KB Output isn't correct
12 Incorrect 3 ms 384 KB Output isn't correct
13 Incorrect 4 ms 384 KB Output isn't correct
14 Incorrect 3 ms 384 KB Output isn't correct
15 Incorrect 3 ms 384 KB Output isn't correct
16 Incorrect 25 ms 1148 KB Output isn't correct
17 Incorrect 21 ms 1276 KB Output isn't correct
18 Incorrect 24 ms 1148 KB Output isn't correct
19 Incorrect 21 ms 1148 KB Output isn't correct
20 Incorrect 16 ms 1276 KB Output isn't correct
21 Incorrect 83 ms 3256 KB Output isn't correct
22 Incorrect 77 ms 3436 KB Output isn't correct
23 Incorrect 73 ms 3436 KB Output isn't correct
24 Incorrect 69 ms 3308 KB Output isn't correct
25 Incorrect 61 ms 3308 KB Output isn't correct
26 Incorrect 80 ms 3336 KB Output isn't correct
27 Incorrect 75 ms 3308 KB Output isn't correct
28 Incorrect 84 ms 3308 KB Output isn't correct
29 Incorrect 71 ms 3308 KB Output isn't correct
30 Incorrect 46 ms 3308 KB Output isn't correct
31 Incorrect 3 ms 384 KB Output isn't correct
32 Incorrect 2 ms 384 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Partially correct 2 ms 384 KB Partially correct
4 Partially correct 3 ms 384 KB Partially correct
5 Partially correct 2 ms 384 KB Partially correct
6 Partially correct 2 ms 384 KB Partially correct
7 Correct 2 ms 384 KB Output is correct
8 Partially correct 2 ms 384 KB Partially correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Partially correct 3 ms 384 KB Partially correct
16 Correct 22 ms 1276 KB Output is correct
17 Correct 26 ms 1256 KB Output is correct
18 Correct 19 ms 1276 KB Output is correct
19 Correct 20 ms 1148 KB Output is correct
20 Correct 11 ms 1276 KB Output is correct
21 Correct 73 ms 3308 KB Output is correct
22 Correct 74 ms 3436 KB Output is correct
23 Correct 79 ms 3308 KB Output is correct
24 Correct 73 ms 3436 KB Output is correct
25 Partially correct 74 ms 3432 KB Partially correct
26 Correct 71 ms 3308 KB Output is correct
27 Correct 75 ms 3308 KB Output is correct
28 Correct 70 ms 3304 KB Output is correct
29 Correct 70 ms 3356 KB Output is correct
30 Correct 38 ms 3316 KB Output is correct
31 Partially correct 2 ms 384 KB Partially correct
32 Partially correct 3 ms 384 KB Partially correct