uva 488

/*
 * Author: Quickgrid ( Asif Ahmed )
 * Site: https://quickgrid.wordpress.com
 * Problem: UVA 488 ( Triangle Wave )
 */
#include<stdio.h>
 
/* For this problem amplitude does not exceed 9, so you can cheat <span class="wp-smiley wp-emoji wp-emoji-smile" title=":)">:)</span> */
const char *a[] = {"", "1", "22", "333", "4444", "55555", "666666", "7777777", "88888888", "999999999"};
 
int main(){
    register unsigned n, i, j, k;
    scanf("%u", &n);
 
    while(n--){
        unsigned amp, times;
        scanf("%u%u", &amp, &times);
 
        while(times--){
            for(i = 1; i < amp; ++i)
                /* Just print the predefined strings */
                printf("%s
", a[i]);
 
            for(k = i; k; --k)
                printf("%s
", a[k]);
 
            if(times || n)
                printf("
");
        }
    }
    return 0;
}

#include <iostream>
#include <cstring>
#include <cstdio>
using namespace std;

const string a[] = {"", "1", "22", "333", "4444", "55555", "666666", "7777777", "88888888", "999999999"};

int main()
{
    register unsigned n, i, j, k;
    string output, total = "";
    scanf("%u", &n);

    while(n--)
    {
        unsigned amp, times;
        scanf("%u%u", &amp, &times);
        output = "";
       
        while(times--)
        {
            for(i=1; i<amp; ++i)
                output += a[i] + "
";
            for(k=i; k; --k)
                output += a[k] + "
";
            
            if(times || n)
                output += "
";
        }
        total += output;
    }

    cout << total;
    return 0;
}

代码来源