Submission

Score: 100

User: fillhavertz

Problemset: หินงอก

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-05 11:41:50

#include <iostream>
#include <vector>
#include <string>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, sum = 0, maxh = 0;
    cin >> n;
    vector<int> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
        sum += a[i] * 2;
        if (a[i] > maxh) maxh = a[i];
    }

    // Pre-allocate one line of sufficient length
    int width = 0;
    for (int x : a) width += x * 2;

    for (int col = 0; col < maxh; col++) {
        string line(width, ' ');
        int offset = 0;
        for (int i = 0; i < n; i++) {
            int h = a[i];
            int len = h * 2;

            // Place slashes only where needed
            if (col < h) line[offset + col] = '\\';
            if (col < h) line[offset + (len - col - 1)] = '/';

            offset += len;
        }
        cout << line << '\n';
    }
}