답안 #1018953

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1018953 2024-07-10T11:15:50 Z coolboy19521 Gap (APIO16_gap) C++17
30 / 100
58 ms 2360 KB
#include "bits/stdc++.h"
#include "gap.h"

using namespace std;

const int sz = 1e5 + 5;

long long a[sz];

long long findGap(int T, int N) {
    if (1 == T) {
		long long mn, mx;
		MinMax(0, 1e18, &mn, &mx);

		a[1] = mn;
		a[N] = mx;

		for (int i = 1; i <= (N+1)/2-1; i ++) {
			MinMax(mn+1, mx-1, &mn, &mx);
			a[i+1] = mn;
			a[N - i] = mx;
		}

		long long gp = 0;

		for (int i = 1; i <= N-1; i ++)
			gp = max(gp, a[i+1] - a[i]);

		return gp;
    }
    if (T == 2) {
        long long mn, mx;
        MinMax(0, 1e18, &mn, &mx);
        vector<long long> b = {mn, mx};
        long long k = (mx - mn) / (N - 1);

        while (b.size() < N) {
            long long nextMin, nextMax;
            long long rangeStart = mn + 1;
            long long rangeEnd = min(mx - 1, mn + k);

            if (rangeStart > rangeEnd) break;

            MinMax(rangeStart, rangeEnd, &nextMin, &nextMax);

            if (nextMin == -1) { // No numbers found in the range
                mn = rangeEnd + 1;
                continue;
            }

            int tmNM = nextMax;

            b.push_back(nextMin);
            if (nextMin != nextMax) {
                b.push_back(nextMax);
                while (nextMin < nextMax && b.size() < N) {
                    // Keep querying within the narrowed range
                    if (nextMin+1>nextMax-1)break;
                    MinMax(nextMin + 1, nextMax - 1, &nextMin, &nextMax);
                    if (nextMin == -1) break; // Exit if no more numbers are found
                    if (nextMin == nextMax) {
                        b.push_back(nextMin);
                        break;
                    } else {
                        b.push_back(nextMin);
                        b.push_back(nextMax);
                    }
                }
            }

            mn = tmNM + 1; // Move to the next range beyond the last found max
        }

        // Sorting the elements to find the maximum gap
        sort(begin(b), end(b));

     //   for (int x : b)
       //     cout << x << ' ';

        //cout << '\n';

        long long maxGap = 0;
        for (int i = 0; i < b.size() - 1; i++) {
            maxGap = max(maxGap, b[i + 1] - b[i]);
        }
        return maxGap;
    }
    return 0; // This part should never be reached for T = 2
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:37:25: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   37 |         while (b.size() < N) {
      |                ~~~~~~~~~^~~
gap.cpp:56:54: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   56 |                 while (nextMin < nextMax && b.size() < N) {
      |                                             ~~~~~~~~~^~~
gap.cpp:83:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |         for (int i = 0; i < b.size() - 1; i++) {
      |                         ~~^~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 7 ms 604 KB Output is correct
17 Correct 10 ms 808 KB Output is correct
18 Correct 7 ms 820 KB Output is correct
19 Correct 6 ms 856 KB Output is correct
20 Correct 6 ms 600 KB Output is correct
21 Correct 25 ms 1880 KB Output is correct
22 Correct 26 ms 1916 KB Output is correct
23 Correct 28 ms 1872 KB Output is correct
24 Correct 26 ms 1964 KB Output is correct
25 Correct 25 ms 1888 KB Output is correct
26 Correct 27 ms 1880 KB Output is correct
27 Correct 25 ms 1880 KB Output is correct
28 Correct 25 ms 1872 KB Output is correct
29 Correct 34 ms 1872 KB Output is correct
30 Correct 21 ms 1880 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB Output isn't correct
3 Incorrect 0 ms 344 KB Output isn't correct
4 Incorrect 0 ms 344 KB Output isn't correct
5 Correct 0 ms 344 KB Output is correct
6 Incorrect 0 ms 344 KB Output isn't correct
7 Incorrect 0 ms 344 KB Output isn't correct
8 Incorrect 0 ms 344 KB Output isn't correct
9 Incorrect 0 ms 344 KB Output isn't correct
10 Partially correct 0 ms 344 KB Partially correct
11 Incorrect 1 ms 344 KB Output isn't correct
12 Incorrect 0 ms 344 KB Output isn't correct
13 Incorrect 1 ms 344 KB Output isn't correct
14 Incorrect 1 ms 344 KB Output isn't correct
15 Incorrect 1 ms 344 KB Output isn't correct
16 Incorrect 11 ms 980 KB Output isn't correct
17 Incorrect 7 ms 980 KB Output isn't correct
18 Incorrect 18 ms 980 KB Output isn't correct
19 Incorrect 10 ms 980 KB Output isn't correct
20 Partially correct 8 ms 980 KB Partially correct
21 Incorrect 25 ms 2152 KB Output isn't correct
22 Incorrect 51 ms 2248 KB Output isn't correct
23 Incorrect 36 ms 2360 KB Output isn't correct
24 Incorrect 25 ms 2248 KB Output isn't correct
25 Incorrect 48 ms 2256 KB Output isn't correct
26 Incorrect 24 ms 2256 KB Output isn't correct
27 Incorrect 24 ms 2248 KB Output isn't correct
28 Incorrect 25 ms 2248 KB Output isn't correct
29 Incorrect 58 ms 2236 KB Output isn't correct
30 Partially correct 34 ms 2248 KB Partially correct
31 Incorrect 0 ms 344 KB Output isn't correct
32 Partially correct 0 ms 344 KB Partially correct