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179 lines
4.5 KiB
179 lines
4.5 KiB
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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// #include "get_time.h"
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volatile unsigned long g_v = 0;
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unsigned long int
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/*fib(unsigned long int n)
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{
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if (n <= 1) return n;
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return fib(n + g_v - 1) + fib(n + g_v - 2);
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}*/
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fib(unsigned long int n)
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{
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if (n <= 1) return n;
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return fib(n - 1) + fib(n - 2);
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}
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//int
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//main(int argc, char **argv)
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//{
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// char * array = NULL;
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// unsigned long n = 0, r;
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// scanf("%lu", &n);
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// unsigned long long st = get_time(), en;
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// r = fib(n);
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// en = get_time();
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/*switch(n) {
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case 0: {
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array = malloc(4 * 1024);
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memset(array, 'a', 4 * 1024 - 1);
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array[4 * 1024 - 1] = 0;
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printf("%s\n", array);
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break;
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}
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case 1: {
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array = malloc(100 * 1024);
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memset(array, 'b', 100 * 1024 - 1);
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array[100 * 1024 - 1] = 0;
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printf("%s\n", array);
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break;
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}
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case 2: {
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array = malloc(200 * 1024);
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memset(array, 'g', 200 * 1024 - 1);
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array[200 * 1024 - 1] = 0;
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printf("%s\n", array);
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break;
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}
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case 4: {
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array = malloc(400 * 1024);
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memset(array, 'c', 400 * 1024 - 1);
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array[400 * 1024 - 1] = 0;
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printf("%s\n", array);
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break;
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}
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case 6: {
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array = malloc(600 * 1024);
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memset(array, 'd', 600 * 1024 - 1);
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array[600 * 1024 - 1] = 0;
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printf("%s\n", array);
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break;
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}
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case 8: {
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array = malloc(800 * 1024);
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memset(array, 'e', 800 * 1024 - 1);
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array[800 * 1024 - 1] = 0;
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printf("%s\n", array);
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break;
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}
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case 10:{
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array = malloc(1000 * 1024);
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memset(array, 'f', 1000 * 1024 - 1);
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array[1000 * 1024 - 1] = 0;
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printf("%s\n", array);
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break;
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}
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default: printf("error input of n\n");
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}
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free(array);*/
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//printf("%lu\n", n);
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// printf("%lu\n", n+1);
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// printf("%lu\n", r);
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//return 0;
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//}
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main(int argc, char **argv)
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{
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unsigned long n = 0, r;
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scanf("%lu", &n);
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FILE *f = stdout;
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// unsigned long long st = get_time(), en;
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//r = fib(29);
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// en = get_time();
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switch(n) {
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case 0: {
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char array[4 * 1024] = {0};
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memset(array, 'a', 4 * 1024);
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array[4 * 1024 - 1] = 0;
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//printf("%s\n", array);
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fwrite(array, 1, 4 * 1024 - 1, f);
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break;
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}
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case 1: {
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char array[100 * 1024] = {'b'};
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memset(array, 'b', 100 * 1024);
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array[100 * 1024 - 1] = 0;
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//printf("%s\n", array);
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fwrite(array, 1, 100 * 1024 - 1, f);
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break;
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}
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case 2: {
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char array[200 * 1024] = {'c'};
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memset(array, 'c', 200 * 1024);
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array[200 * 1024 - 1] = 0;
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fwrite(array, 1, 200 * 1024 - 1, f);
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//printf("%s\n", array);
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break;
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}
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case 4: {
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char array[400 * 1024] = {'d'};
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memset(array, 'd', 400 * 1024);
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array[400 * 1024 - 1] = 0;
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fwrite(array, 1, 400 * 1024 - 1, f);
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//printf("%s\n", array);
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break;
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}
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case 6: {
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char array[600 * 1024] = {'e'};
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memset(array, 'e', 600 * 1024);
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array[600 * 1024 - 1] = 0;
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fwrite(array, 1, 600 * 1024 - 1, f);
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//printf("%s\n", array);
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break;
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}
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case 8: {
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char array[800 * 1024] = {'f'};
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memset(array, 'f', 800 * 1024);
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array[800 * 1024 - 1] = 0;
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fwrite(array, 1, 800 * 1024 - 1, f);
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//printf("%s\n", array);
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break;
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}
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case 10:{
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char array[1000 * 1024] = {'g'};
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memset(array, 'g', 1000 * 1024);
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array[1000 * 1024 - 1] = 0;
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fwrite(array, 1, 1000 * 1024 - 1, f);
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//printf("%s\n", array);
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break;
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}
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default: printf("error input of n\n");
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}
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fclose(f);
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//printf("%lu\n", n);
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//printf("%lu\n", r);
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return 0;
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}
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