답안 #102818

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
102818 2019-03-27T15:57:55 Z CorneliuVadimTudor Gap (APIO16_gap) C++14
70 / 100
78 ms 2440 KB
#include <bits/stdc++.h>

#include "gap.h"

std::vector <long long> V;
long long findGap(int T, int N){
    if(T == 1){
        long long st = 0, dr = 1000000000000000000LL;
        while(st < dr){
            long long a, b;
            MinMax(st, dr, &a, &b);
            V.push_back(a);
            V.push_back(b);
            st = a + 1, dr = b - 1;
        }

        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;
    }

    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:19:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0; i + 1 < V.size(); i++)
                        ~~~~~~^~~~~~~~~~
gap.cpp:43:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i + 1 < V.size(); i++)
                    ~~~~~~^~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 256 KB Output isn't correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Incorrect 2 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 Correct 2 ms 384 KB Output is correct
11 Incorrect 3 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 3 ms 384 KB Output isn't correct
15 Incorrect 3 ms 384 KB Output isn't correct
16 Incorrect 14 ms 924 KB Output isn't correct
17 Incorrect 17 ms 896 KB Output isn't correct
18 Incorrect 14 ms 1024 KB Output isn't correct
19 Incorrect 16 ms 896 KB Output isn't correct
20 Correct 12 ms 1024 KB Output is correct
21 Incorrect 56 ms 2288 KB Output isn't correct
22 Incorrect 54 ms 2288 KB Output isn't correct
23 Incorrect 53 ms 2288 KB Output isn't correct
24 Incorrect 68 ms 2288 KB Output isn't correct
25 Incorrect 49 ms 2288 KB Output isn't correct
26 Incorrect 58 ms 2288 KB Output isn't correct
27 Incorrect 53 ms 2288 KB Output isn't correct
28 Incorrect 55 ms 2288 KB Output isn't correct
29 Incorrect 54 ms 2260 KB Output isn't correct
30 Correct 43 ms 2292 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 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 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 20 ms 896 KB Output is correct
17 Correct 20 ms 1024 KB Output is correct
18 Correct 20 ms 1024 KB Output is correct
19 Correct 25 ms 1024 KB Output is correct
20 Correct 10 ms 896 KB Output is correct
21 Correct 71 ms 2440 KB Output is correct
22 Correct 70 ms 2288 KB Output is correct
23 Correct 72 ms 2436 KB Output is correct
24 Correct 77 ms 2288 KB Output is correct
25 Correct 62 ms 2288 KB Output is correct
26 Correct 70 ms 2288 KB Output is correct
27 Correct 78 ms 2348 KB Output is correct
28 Correct 68 ms 2288 KB Output is correct
29 Correct 72 ms 2300 KB Output is correct
30 Correct 36 ms 2288 KB Output is correct
31 Correct 3 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct