Submission #102811

# Submission time Handle Problem Language Result Execution time Memory
102811 2019-03-27T15:50:48 Z CorneliuVadimTudor Gap (APIO16_gap) C++14
70 / 100
106 ms 2560 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 = (Dmax + N - 2) / (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);
        if(b != a) V.push_back(b);
    }
    long long a, b;
    MinMax(st, B, &a, &b);
    V.push_back(a);
    if(b != 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 256 KB Output isn't correct
2 Incorrect 2 ms 384 KB Output isn't correct
3 Incorrect 2 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 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 4 ms 384 KB Output isn't correct
12 Incorrect 3 ms 384 KB Output isn't correct
13 Incorrect 3 ms 384 KB Output isn't correct
14 Incorrect 4 ms 384 KB Output isn't correct
15 Incorrect 3 ms 384 KB Output isn't correct
16 Incorrect 21 ms 1152 KB Output isn't correct
17 Incorrect 20 ms 1152 KB Output isn't correct
18 Incorrect 21 ms 1144 KB Output isn't correct
19 Incorrect 21 ms 1152 KB Output isn't correct
20 Incorrect 12 ms 1152 KB Output isn't correct
21 Incorrect 73 ms 2556 KB Output isn't correct
22 Incorrect 73 ms 2420 KB Output isn't correct
23 Incorrect 72 ms 2476 KB Output isn't correct
24 Incorrect 81 ms 2456 KB Output isn't correct
25 Incorrect 67 ms 2428 KB Output isn't correct
26 Incorrect 83 ms 2464 KB Output isn't correct
27 Incorrect 77 ms 2412 KB Output isn't correct
28 Incorrect 75 ms 2416 KB Output isn't correct
29 Incorrect 106 ms 2416 KB Output isn't correct
30 Incorrect 39 ms 2560 KB Output isn't correct
31 Incorrect 2 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 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 3 ms 380 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 356 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is 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 4 ms 356 KB Output is correct
13 Correct 4 ms 420 KB Output is correct
14 Correct 4 ms 356 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 19 ms 1056 KB Output is correct
17 Correct 20 ms 1024 KB Output is correct
18 Correct 23 ms 1024 KB Output is correct
19 Correct 21 ms 1024 KB Output is correct
20 Correct 10 ms 1040 KB Output is correct
21 Correct 76 ms 2416 KB Output is correct
22 Correct 76 ms 2416 KB Output is correct
23 Correct 72 ms 2420 KB Output is correct
24 Correct 82 ms 2364 KB Output is correct
25 Correct 62 ms 2416 KB Output is correct
26 Correct 72 ms 2364 KB Output is correct
27 Correct 78 ms 2360 KB Output is correct
28 Correct 76 ms 2400 KB Output is correct
29 Correct 81 ms 2292 KB Output is correct
30 Correct 35 ms 2388 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct