Paze AI
251ee470bf
- 所有 tcc 文件/内容/宏改名为 pcc (tcc.c->pcc.c, tccelf.c->pccelf.c, libtcc.c->libpcc.c 等) - 支持架构: i386, x86_64, ARM, ARM64, RISC-V, C67 - 支持格式: PE, ELF, Mach-O, COFF - 完整预处理、代码生成、链接器、调试信息 - 构建成功: pcc.exe (x86_64 Windows) - 功能测试通过: 递归/结构体/浮点/switch/循环 - 自编译测试通过: pcc 可以编译自身
76 行
3.3 KiB
C
76 行
3.3 KiB
C
#include <limits.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
int ibdg(long long n)
|
|
{
|
|
switch (n) {
|
|
case 1LL ... 9LL: return 1;
|
|
case 10LL ... 99LL: return 2;
|
|
case 100LL ... 999LL: return 3;
|
|
case 1000LL ... 9999LL: return 4;
|
|
case 10000LL ... 99999LL: return 5;
|
|
case 100000LL ... 999999LL: return 6;
|
|
case 1000000LL ... 9999999LL: return 7;
|
|
case 10000000LL ... 99999999LL: return 8;
|
|
case 100000000LL ... 999999999LL: return 9;
|
|
case 1000000000LL ... 9999999999LL: return 10;
|
|
case 10000000000LL ... 99999999999LL: return 11;
|
|
case 100000000000LL ... 999999999999LL: return 12;
|
|
case 1000000000000LL ... 9999999999999LL: return 13;
|
|
case 10000000000000LL ... 99999999999999LL: return 14;
|
|
case 100000000000000LL ... 999999999999999LL: return 15;
|
|
case 1000000000000000LL ... 9999999999999999LL: return 16;
|
|
case 10000000000000000LL ... 99999999999999999LL: return 17;
|
|
case 100000000000000000LL ... 999999999999999999LL: return 18;
|
|
case 1000000000000000000LL ... 9223372036854775807LL: return 19;
|
|
case -9223372036854775807LL-1LL ... -1LL: return 20;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int ubdg(unsigned long long n)
|
|
{
|
|
switch (n) {
|
|
case 1ULL ... 9ULL: return 1;
|
|
case 10ULL ... 99ULL: return 2;
|
|
case 100ULL ... 999ULL: return 3;
|
|
case 1000ULL ... 9999ULL: return 4;
|
|
case 10000ULL ... 99999ULL: return 5;
|
|
case 100000ULL ... 999999ULL: return 6;
|
|
case 1000000ULL ... 9999999ULL: return 7;
|
|
case 10000000ULL ... 99999999ULL: return 8;
|
|
case 100000000ULL ... 999999999ULL: return 9;
|
|
case 1000000000ULL ... 9999999999ULL: return 10;
|
|
case 10000000000ULL ... 99999999999ULL: return 11;
|
|
case 100000000000ULL ... 999999999999ULL: return 12;
|
|
case 1000000000000ULL ... 9999999999999ULL: return 13;
|
|
case 10000000000000ULL ... 99999999999999ULL: return 14;
|
|
case 100000000000000ULL ... 999999999999999ULL: return 15;
|
|
case 1000000000000000ULL ... 9999999999999999ULL: return 16;
|
|
case 10000000000000000ULL ... 99999999999999999ULL: return 17;
|
|
case 100000000000000000ULL ... 999999999999999999ULL: return 18;
|
|
case 1000000000000000000ULL ... 9999999999999999999ULL: return 19;
|
|
case 10000000000000000000ULL ... 18446744073709551615ULL: return 20;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
unsigned int i;
|
|
unsigned long long v = 1;
|
|
|
|
v = 1;
|
|
for (i = 1; i <= 20; i++) {
|
|
printf("%lld : %d\n", (long long) v, ibdg((long long)v));
|
|
v *= 10;
|
|
}
|
|
v = 1;
|
|
for (i = 1; i <= 20; i++) {
|
|
printf("%llu : %d\n", v, ubdg(v));
|
|
v *= 10;
|
|
}
|
|
return 0;
|
|
}
|