From e51ace327152521d0faa5aa0f20bcaee5bbd4dc0 Mon Sep 17 00:00:00 2001 From: nihonium Date: Mon, 21 Feb 2022 16:33:00 +0300 Subject: [PATCH] rwx --- data/bit_0.c | 1 - data/rwx.c | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 82 insertions(+), 1 deletion(-) create mode 100644 data/rwx.c diff --git a/data/bit_0.c b/data/bit_0.c index e290873..7c19f19 100644 --- a/data/bit_0.c +++ b/data/bit_0.c @@ -4,6 +4,5 @@ int main() { int x, y; scanf("%x %x", &x, &y); - //printf("%x\n", x^y); return x^y; } diff --git a/data/rwx.c b/data/rwx.c new file mode 100644 index 0000000..687ab1f --- /dev/null +++ b/data/rwx.c @@ -0,0 +1,82 @@ +#include +#include + +void print_permission(char *s); +int main() { + int i; + char res[10] = ""; + char x[4] = ""; + char buf[4] = ""; + scanf("%s", x); + + for (i = 0; i < 3; ++i) { + switch (x[i]) { + case '0': + buf[0] = '0'; + buf[1] = '0'; + buf[2] = '0'; + break; + case '1': + buf[0] = '0'; + buf[1] = '0'; + buf[2] = '1'; + break; + case '2': + buf[0] = '0'; + buf[1] = '1'; + buf[2] = '0'; + break; + case '3': + buf[0] = '0'; + buf[1] = '1'; + buf[2] = '1'; + break; + case '4': + buf[0] = '1'; + buf[1] = '0'; + buf[2] = '0'; + break; + case '5': + buf[0] = '1'; + buf[1] = '0'; + buf[2] = '1'; + break; + case '6': + buf[0] = '1'; + buf[1] = '1'; + buf[2] = '0'; + break; + case '7': + buf[0] = '1'; + buf[1] = '1'; + buf[2] = '1'; + break; + } + buf[3] = '\0'; + strcpy(res + 3*i, buf); + } + res[9] = '\0'; + + print_permission(res); + + return 0; +} + + +void print_permission(char *s) { + //for (int i = strlen(s) - 1; i >= 0; --i) { + for (int i = 0; i < (int)strlen(s); ++i) { + if (s[i] != '0') { + if ((i + 1) % 3 == 0) + putchar('x'); + else if ((i + 1) % 3 == 1) + putchar('r'); + else + putchar('w'); + } + else + putchar('-'); + + } + putchar('\n'); +}