01/08/19 17:45.net
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
typedef struct {
long votes;
const char *name;
} anontype;
static anontype anons[] = {
{0, "名無しさん＠コート脱いだらハワイのミポリソ萌え"},
{0, "私の名前は名無しです。"},
{0, "su nobody"},
{0, "/home/名無しさん"},
{0, "名無sh"},
{0, "名無しさん＠こあだんぷ"},
{0, "名無しさん＠お腹いっぱい。（現状維持)"},
{0, "名無しSun"},
{0, "名無しさん＠Permission denied"},
{0, "臆病者の名無しさん"},
{0, "厨房＠Permission denied"},
{0, "Anonymous Coward"}};
#define arraylen(a) (sizeof a/sizeof *a)
int
cmpfn(const void *s1, const void *s2) {
return ((const anontype *)s2)->votes-((const anontype *)s1)->votes;
}
int
main(int argc, char *const *argv)
{
int i, j, r_scale, v_scale;
long v_max = 0;
long long v_total = 0;
srand48((long)(time(NULL)^getpid()));
for (i = 0; i < arraylen(anons); i++) {
v_total += anons[i].votes = lrand48();
if (v_max < anons[i].votes) v_max = anons[i].votes;
}
r_scale = (int)log10(arraylen(anons))+1;
v_scale = (int)log10(v_max)+1;
qsort(anons, arraylen(anons), sizeof *anons, cmpfn);
printf("投票総数 %llu票\n", v_total);
for (i = 0; i < arraylen(anons); i++)
printf("%.*u位 %.*lu票 %s\n", r_scale,
!i||anons[i-1].votes>anons[i].votes?(j=i+1):j,
v_scale, anons[i].votes, anons[i].name);
return 0;
}