제출 #551777

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
551777		hoanghq2004	Gap (APIO16_gap)	C++14	컴파일 에러	0 ms	0 KiB

gap

#include <bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "gap.h"

using namespace __gnu_pbds;
using namespace std;

template <typename T>
using ordered_set = tree <T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;

mt19937 gen(std :: chrono :: system_clock :: now().time_since_epoch().count());

long long a[1000010];

long long findGap(int T, int n) {
    if (T == 1) {
        long long L = 0, R = 1e18;
        int lhs = 1, rhs = n;
        while (lhs <= rhs) {
            long long temp1 = 0, temp2 = 0;
            long long *nL = &temp1, *nR = &temp2;
            MinMax(L, R, nL, nR);
            L = *nL, R = *nR;
            a[lhs] = L, a[rhs] = R;
            ++L, --R;
            ++lhs, --rhs;
        }
        long long ans = 0;
        for (int i = 1; i < n; ++i) ans = max(ans, a[i + 1] - a[i]);
        return ans;
    } else {
        long long L = 0, R = 1e18, x, y;
        MinMax(L, R, &x, &y);
        L = x, R = y;
        long long gap = (R - L) / (n - 1);
        for (; L <= R; L += gap) {
            long long x, y;
            MinMax(L, L + gap - 1, &x, &y);
            if (x != -1 && y != -1) a.push_back(x), a.push_back(y);
        }
        long long ans = 0;
        for (int i = 1; i < a.size(); ++i) ans = max(ans, a[i] - a[i - 1]);
        return ans;
    }
}

컴파일 시 표준 에러 (stderr) 메시지

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:42:39: error: request for member 'push_back' in 'a', which is of non-class type 'long long int [1000010]'
   42 |             if (x != -1 && y != -1) a.push_back(x), a.push_back(y);
      |                                       ^~~~~~~~~
gap.cpp:42:55: error: request for member 'push_back' in 'a', which is of non-class type 'long long int [1000010]'
   42 |             if (x != -1 && y != -1) a.push_back(x), a.push_back(y);
      |                                                       ^~~~~~~~~
gap.cpp:45:31: error: request for member 'size' in 'a', which is of non-class type 'long long int [1000010]'
   45 |         for (int i = 1; i < a.size(); ++i) ans = max(ans, a[i] - a[i - 1]);
      |                               ^~~~