From 5f38ca067108eea5a8c334bd8cbe5866300d585c Mon Sep 17 00:00:00 2001
From: KunoiSayami <i@leanhe.dev>
Date: Mon, 5 Jun 2023 01:56:37 +0800
Subject: feat: Optimize output

Signed-off-by: KunoiSayami <i@leanhe.dev>
---
 expt_0604.cpp | 10 +++++-----
 read_helper.h |  6 ++----
 2 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/expt_0604.cpp b/expt_0604.cpp
index 9217f9e..a1dbf26 100644
--- a/expt_0604.cpp
+++ b/expt_0604.cpp
@@ -1,4 +1,4 @@
-// Experimental content: Test fstream vs stdio
+// Experimental content: Test fstream vs stdio read file
 
 #include <cassert>
 #include <chrono>
@@ -17,7 +17,7 @@ void stdio() {
   assert(file);
   auto read_count = 0L;
   for (unsigned long long l;
-       read_count < limit && fscanf(file, "%lld ", &l) != EOF;)
+       read_count < limit && fscanf(file, "%llu ", &l) != EOF;)
     read_count++;
   fclose(file);
 }
@@ -36,8 +36,8 @@ auto measure(const char *function_name, void (*test_function)()) {
   auto end = std::chrono::high_resolution_clock ::now();
   auto duration = end - start;
   std::cout << "Function: " << std::fixed << std::setprecision(3)
-            << function_name << " " << (double)duration.count() / 1000.0 << "ms"
-            << std::endl;
+            << function_name << " " << (double)duration.count() / 1000.0
+            << "ms\n";
   return duration.count();
 }
 
@@ -54,5 +54,5 @@ int main(int argc, char const *argv[]) {
   }
   auto s = measure("stdio", stdio);
   auto f = measure("fstream", fstream);
-  std::cout << (s > f ? "stdio" : "fstream") << "win";
+  std::cout << (s < f ? "stdio" : "fstream") << " win\n";
 }
diff --git a/read_helper.h b/read_helper.h
index f4615d4..baf0781 100644
--- a/read_helper.h
+++ b/read_helper.h
@@ -49,9 +49,7 @@ public:
               size_t population_length, size_t total_row = 0)
       : filename(filename), sample_length(sample_length),
         population_length(population_length),
-        random_number(genRandomRow(total_row)) {
-    // printf("%zu %zu\n", sample_length, needed_read_length);
-  }
+        random_number(genRandomRow(total_row)) {}
   key_type maxValue() const { return max_value; }
   key_type minValue() const { return min_value; }
 
@@ -82,7 +80,6 @@ public:
 
     if (random_number > 0) {
       P_ERR("\rReading skip");
-      // fprintf(stderr, "Skip %lu\n", read_number);
       read_number = random_number;
       for (key_type i; read_number > 0 && !fin.eof(); fin >> i)
         read_number--;
@@ -96,6 +93,7 @@ public:
       fin >> i;
       read_number++;
     }
+
     fin.close();
     P_ERR("\r");
     return true;
-- 
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