From cb6d8ced33dd72365d2a2dc0c0820d38af296be8 Mon Sep 17 00:00:00 2001
From: Daneck1988 <danilo.barcelos2005@gmail.com>
Date: Tue, 15 Oct 2024 12:29:31 -0300
Subject: [PATCH] Batch now displays call execution time

---
 run.bat | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/run.bat b/run.bat
index 1d9d579..c3c3289 100644
--- a/run.bat
+++ b/run.bat
@@ -25,7 +25,12 @@ for %%g in (%TEST_FOLDER%\*) do (
 	for /f "delims=" %%h in ("!testname!") do set optimal=!solutions[%%h]!
 
 	echo Arquivo de teste: %%g
+
+	set start_t=!TIME!
 	for /f "tokens=4" %%h in ('!EXEC! !ARGS! ^< %%g') do set res=%%h
+	set end_t=!TIME!
+	call :difftime !start_t! !end_t! difference
+
 	echo Resultado do programa: !res!
 	if defined optimal (
 		echo Resultado ótimo:       !optimal!
@@ -36,6 +41,7 @@ for %%g in (%TEST_FOLDER%\*) do (
 			echo Diferença de !diff!
 		)
 	)
+	echo Tempo de execução: !difference! segundos
 )
 
 endlocal
@@ -43,4 +49,30 @@ set EXEC=
 set TEST_FOLDER=
 set SOLUTIONS_FILE=
 set ARGS=
+goto :eof
+
+rem Function that gets the difference between two %TIME% variables, expects args= start(VAL), end(VAL), ret(VARNAME)
+rem This function assumes that the difference in time is LESS THAN 24 HOURS; If the difference is larger, return is incorrect
+:difftime
+setlocal
+	
+	for /f "tokens=1-3 delims=:" %%a in ("%~1") do (
+		set /a start_h= ^(1%%a-100^) * 3600
+		set /a start_m= ^(1%%b-100^) * 60
+		set /a start_s= ^(1%%c-100^)
+	)
+
+	for /f "tokens=1-3 delims=:" %%a in ("%~3") do (
+		set /a end_h= ^(1%%a-100^) * 3600
+		set /a end_m= ^(1%%b-100^) * 60
+		set /a end_s= ^(1%%c-100^)
+	)
+
+	set /a start_i= %start_h% + %start_m% + %start_s%
+	set /a end_i= %end_h% + %end_m% + %end_s%
+	set /a diff_t= %end_i% - %start_i%
+
+	if diff_t LSS 0 set /a diff_t= %diff_t%+86400
+	
+endlocal & set %~5=%diff_t%
 goto :eof
\ No newline at end of file