Minor input format degeneralization

1 files changed, 13 insertions, 18 deletions

diff --git a/kattis-kth-alginda-quicksort/radix64.c b/kattis-kth-alginda-quicksort/radix64.c
index 4113a94..54b0155 100644
--- a/kattis-kth-alginda-quicksort/radix64.c
+++ b/kattis-kth-alginda-quicksort/radix64.c
@@ -18,7 +18,7 @@ void radix_sort(int n) {
     long *in = tmp;
     // we loop an even amount of times so the completely sorted array
     // will be in xs, not tmp
-    for (int m = 0; m < 44; m += 8) {
+    for (int m = 0; m < 40; m += 8) {
         long *tmp = out;
         out = in;
         in = tmp;
@@ -39,12 +39,13 @@ void radix_sort(int n) {
         }
     }
 }
+
 int main() {
     ssize_t len = read(0, buffer, BUFFER_MAX);
 
     char *p = buffer;
     int n = 0;
-    while (*p != ' ' && *p != '\n') {
+    while (*p != ' ') {
         n *= 10;
         n += *p - '0';
         p++;
@@ -57,20 +58,17 @@ int main() {
         long x = 0;
 
         bool c = true;
-        if (c) x += (long)(*p-- - '0') << 0;  if (*p == ' ' || *p == '-') c = false;
-        if (c) x += (long)(*p-- - '0') << 4;  if (*p == ' ' || *p == '-') c = false;
-        if (c) x += (long)(*p-- - '0') << 8;  if (*p == ' ' || *p == '-') c = false;
-        if (c) x += (long)(*p-- - '0') << 12; if (*p == ' ' || *p == '-') c = false;
-        if (c) x += (long)(*p-- - '0') << 16; if (*p == ' ' || *p == '-') c = false;
-        if (c) x += (long)(*p-- - '0') << 20; if (*p == ' ' || *p == '-') c = false;
-        if (c) x += (long)(*p-- - '0') << 24; if (*p == ' ' || *p == '-') c = false;
-        if (c) x += (long)(*p-- - '0') << 28; if (*p == ' ' || *p == '-') c = false;
-        if (c) x += (long)(*p-- - '0') << 32; if (*p == ' ' || *p == '-') c = false;
+        if (c) x += (long)(*p-- - '0') << 0;  if (*p == ' ' || *p == '\n') c = false;
+        if (c) x += (long)(*p-- - '0') << 4;  if (*p == ' ' || *p == '\n') c = false;
+        if (c) x += (long)(*p-- - '0') << 8;  if (*p == ' ' || *p == '\n') c = false;
+        if (c) x += (long)(*p-- - '0') << 12; if (*p == ' ' || *p == '\n') c = false;
+        if (c) x += (long)(*p-- - '0') << 16; if (*p == ' ' || *p == '\n') c = false;
+        if (c) x += (long)(*p-- - '0') << 20; if (*p == ' ' || *p == '\n') c = false;
+        if (c) x += (long)(*p-- - '0') << 24; if (*p == ' ' || *p == '\n') c = false;
+        if (c) x += (long)(*p-- - '0') << 28; if (*p == ' ' || *p == '\n') c = false;
+        if (c) x += (long)(*p-- - '0') << 32; if (*p == ' ' || *p == '\n') c = false;
         if (c) x += (long)(*p-- - '0') << 36;
 
-        if (*p == '-') p--;
-        else x |= 1l << 40;
-
         xs[i] = x;
     }
 
@@ -81,9 +79,7 @@ int main() {
     *p-- = '\n';
     for (int i = n - 1; i >= 0; i--) {
         long x = xs[i];
-        bool neg = x >> 40 == 0;
-        x &= ~(1l << 40);
-        *p-- = (x & 0xf) + '0'; x >>= 4;
+               *p-- = (x & 0xf) + '0'; x >>= 4;
         if (x) *p-- = (x & 0xf) + '0'; x >>= 4;
         if (x) *p-- = (x & 0xf) + '0'; x >>= 4;
         if (x) *p-- = (x & 0xf) + '0'; x >>= 4;
@@ -93,7 +89,6 @@ int main() {
         if (x) *p-- = (x & 0xf) + '0'; x >>= 4;
         if (x) *p-- = (x & 0xf) + '0'; x >>= 4;
         if (x) *p-- = (x & 0xf) + '0'; x >>= 4;
-        if (neg) *p-- = '-';
         if (i > 0) *p-- = '\n';
     }
     write(1, p + 1, last - p);