UVa400

#pragma warning(disable:4996)
#include<cstdio>
#include<cstring>
#include<string>
#include<cmath>
#include<vector>
#include<algorithm>
#include<iostream>
#include<time.h>
#include<set>
#include<sstream>
#include<functional>
#include<cassert>
#include<list>
#include<iterator>
#include<utility>
#include <stdexcept>
#include <sstream>
#include <fstream>
#include<ctype.h>
#include<map>
#include<stack>
#include<queue>
#include<cstdlib>

using namespace std;
string str[105];
const int INF = 0x3f3f3f3f;

int main()
{
    ios::sync_with_stdio(false);
    int n;
    while (cin >> n)
    {
        int maxn = -INF;
        for (int i = 1;i <=60;i++)
            cout << "-";
        cout << endl;
        int flag = 0;
        for (int i = 0;i < n;i++)
        {
            cin >> str[i];
            int len = str[i].size();
            if (len >60)
                flag = 1;
            if (len > maxn)
            {
                maxn = str[i].size();
            }
        }
        if (!flag)
        {
            int numcolumn = 0;
            for (int i = 1;i <= 60;i++)
            {
                if ((maxn + 2)*(i - 1) + maxn > 60)
                {
                    numcolumn = i - 1;
                    break;
                }
            }
            int numrow = 0;
            for (int i = 1;i <= 60;i++)
            {

                if ((n - i*(numcolumn - 1)) <= i)
                {
                    numrow = i;
                    break;
                }

            }
            sort(str, str + n);
            for (int i = 0;i < numrow*(numcolumn - 1);i++)
            {
                while (str[i].size() < (maxn + 2))
                {
                    str[i] = str[i] + " ";
                }
            }
            for (int i = numrow*(numcolumn - 1);i < n;i++)
            {
                while (str[i].size() < (maxn))
                {
                    str[i] = str[i] + " ";
                }
            }
            string temp[100];
            for (int i = 0;i < 100;i++)
                temp[i] = "";
            for (int i = 1;i <= numrow;i++)
            {
                for (int j = 1;j <= numcolumn;j++)
                {
                    if (((i - 1) + (j - 1) * numrow) >= n)
                        continue;
                    temp[i] = temp[i] + str[(i - 1) + (j - 1)*numrow];
                }
            }
            for (int i = 1;i <= numrow;i++)
            {
                cout << temp[i] << endl;
            }
        }
        else
        {
            for (int i = 0;i < n;i++)
                cout << endl;
        }
    }
    return 0;
}

劉汝佳的代碼和我都是10ms

#pragma warning(disable:4996)
#include<cstdio>
#include<cstring>
#include<string>
#include<cmath>
#include<vector>
#include<algorithm>
#include<iostream>
#include<time.h>
#include<set>
#include<sstream>
#include<functional>
#include<cassert>
#include<list>
#include<iterator>
#include<utility>
#include <stdexcept>
#include <sstream>
#include <fstream>
#include<ctype.h>
#include<map>
#include<stack>
#include<queue>
#include<cstdlib>

using namespace std;

const int maxcol = 60;
const int maxn = 100 + 5;
string filenames[maxn];

void print(const string& s, int len, char extra)
{
    cout << s;
    for (int i = 0;i < len - s.length();i++)
        cout << extra;
}
int main()
{
    int n;
    while (cin >> n)
    {
        int M = 0;
        for (int i = 0;i < n;i++)
        {
            cin >> filenames[i];
            M = max(M, (int)filenames[i].length());
        }
        int cols = (maxcol - M) / (M + 2) + 1, rows = (n - 1) / cols + 1;
        print("", 60, '-');
        cout << "\n";
        sort(filenames, filenames + n);
        for (int r = 0;r < rows;r++)
        {
            for (int c = 0;c < cols;c++)
            {
                int idx = c*rows + r;
                if (idx < n)
                    print(filenames[idx], c == cols - 1 ? M : M + 2, ' ');
            }
            cout << "\n";
        }
    }
    return 0;
}