Submission #102803

# Submission time Handle Problem Language Result Execution time Memory
102803 2019-03-27T15:42:00 Z CorneliuVadimTudor Gap (APIO16_gap) C++14
59.0204 / 100
107 ms 3448 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)) + 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);
    }
    long long a, b;
    MinMax(st, B, &a, &b);
    V.push_back(a);
    V.push_back(b);

    std::sort(V.begin(), V.end());
    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 2 ms 384 KB Output isn't correct
4 Incorrect 3 ms 384 KB Output isn't correct
5 Incorrect 3 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 3 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 4 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 22 ms 1276 KB Output isn't correct
17 Incorrect 25 ms 1148 KB Output isn't correct
18 Incorrect 22 ms 1140 KB Output isn't correct
19 Incorrect 20 ms 1148 KB Output isn't correct
20 Incorrect 11 ms 1148 KB Output isn't correct
21 Incorrect 101 ms 3384 KB Output isn't correct
22 Incorrect 107 ms 3308 KB Output isn't correct
23 Incorrect 99 ms 3360 KB Output isn't correct
24 Incorrect 89 ms 3300 KB Output isn't correct
25 Incorrect 82 ms 3292 KB Output isn't correct
26 Incorrect 84 ms 3436 KB Output isn't correct
27 Incorrect 82 ms 3436 KB Output isn't correct
28 Incorrect 79 ms 3308 KB Output isn't correct
29 Incorrect 85 ms 3308 KB Output isn't correct
30 Incorrect 36 ms 3308 KB Output isn't correct
31 Incorrect 2 ms 384 KB Output isn't correct
32 Incorrect 3 ms 384 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Partially correct 2 ms 384 KB Partially correct
4 Partially correct 2 ms 384 KB Partially correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Partially correct 2 ms 384 KB Partially correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 428 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 23 ms 1148 KB Output is correct
17 Correct 23 ms 1276 KB Output is correct
18 Correct 20 ms 1276 KB Output is correct
19 Correct 23 ms 1276 KB Output is correct
20 Correct 12 ms 1248 KB Output is correct
21 Correct 80 ms 3308 KB Output is correct
22 Correct 74 ms 3312 KB Output is correct
23 Correct 83 ms 3304 KB Output is correct
24 Correct 75 ms 3308 KB Output is correct
25 Correct 70 ms 3300 KB Output is correct
26 Correct 84 ms 3352 KB Output is correct
27 Correct 86 ms 3448 KB Output is correct
28 Correct 85 ms 3432 KB Output is correct
29 Correct 90 ms 3304 KB Output is correct
30 Correct 50 ms 3436 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 3 ms 384 KB Output is correct