From 6d9a7b168cf72ab92ec9232a98e57170c4f619c3 Mon Sep 17 00:00:00 2001
From: Jon Calhoun <joncalhoun@gmail.com>
Date: Fri, 13 Oct 2017 12:42:53 -0400
Subject: [PATCH 1/3] Finished p1

---
 main.go      | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 problems.csv | 12 +----------
 2 files changed, 59 insertions(+), 11 deletions(-)
 create mode 100644 main.go

diff --git a/main.go b/main.go
new file mode 100644
index 0000000..1a735a5
--- /dev/null
+++ b/main.go
@@ -0,0 +1,58 @@
+package main
+
+import (
+	"encoding/csv"
+	"flag"
+	"fmt"
+	"os"
+	"strings"
+)
+
+func main() {
+	csvFilename := flag.String("csv", "problems.csv", "a csv file in the format of 'question,answer'")
+	flag.Parse()
+
+	file, err := os.Open(*csvFilename)
+	if err != nil {
+		exit(fmt.Sprintf("Failed to open the CSV file: %s\n", *csvFilename))
+	}
+	r := csv.NewReader(file)
+	lines, err := r.ReadAll()
+	if err != nil {
+		exit("Failed to parse the provided CSV file.")
+	}
+	problems := parseLines(lines)
+
+	correct := 0
+	for i, p := range problems {
+		fmt.Printf("Problem #%d: %s = \n", i+1, p.q)
+		var answer string
+		fmt.Scanf("%s\n", &answer)
+		if answer == p.a {
+			correct++
+		}
+	}
+
+	fmt.Printf("You scored %d out of %d.\n", correct, len(problems))
+}
+
+func parseLines(lines [][]string) []problem {
+	ret := make([]problem, len(lines))
+	for i, line := range lines {
+		ret[i] = problem{
+			q: line[0],
+			a: strings.TrimSpace(line[1]),
+		}
+	}
+	return ret
+}
+
+type problem struct {
+	q string
+	a string
+}
+
+func exit(msg string) {
+	fmt.Println(msg)
+	os.Exit(1)
+}
diff --git a/problems.csv b/problems.csv
index 11506cb..610d2e0 100644
--- a/problems.csv
+++ b/problems.csv
@@ -1,12 +1,2 @@
-5+5,10
+5+5,  10
 1+1,2
-8+3,11
-1+2,3
-8+6,14
-3+1,4
-1+4,5
-5+1,6
-2+3,5
-3+3,6
-2+4,6
-5+2,7

From c7609c1e50f86f450bd69551dbf8109b07026419 Mon Sep 17 00:00:00 2001
From: Jon Calhoun <joncalhoun@gmail.com>
Date: Fri, 13 Oct 2017 15:25:18 -0400
Subject: [PATCH 2/3] Reverting the problems csv

---
 problems.csv | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/problems.csv b/problems.csv
index 610d2e0..11506cb 100644
--- a/problems.csv
+++ b/problems.csv
@@ -1,2 +1,12 @@
-5+5,  10
+5+5,10
 1+1,2
+8+3,11
+1+2,3
+8+6,14
+3+1,4
+1+4,5
+5+1,6
+2+3,5
+3+3,6
+2+4,6
+5+2,7

From cffd0a1c60deb680187decefd1306ad908f27ec1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sin=C3=A9sio=20Neto?= <sinetoami@gmail.com>
Date: Mon, 22 Jul 2019 10:12:48 -0300
Subject: [PATCH 3/3] add sinetoami's solution for Part 1 (#45)

---
 students/sinetoami/main.go | 44 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 students/sinetoami/main.go

diff --git a/students/sinetoami/main.go b/students/sinetoami/main.go
new file mode 100644
index 0000000..054e78a
--- /dev/null
+++ b/students/sinetoami/main.go
@@ -0,0 +1,44 @@
+package main
+
+import (
+	"encoding/csv"
+	"flag"
+	"fmt"
+	"os"
+)
+
+type Problem struct {
+	question, answer string
+}
+
+func main() {
+	filename := flag.String("csv", "problems.csv", "CSV file")
+	file, err := os.Open(*filename)
+
+	if err != nil {
+		fmt.Errorf("could not open file: %v", err)
+	}
+	defer file.Close()
+
+	lines, err := csv.NewReader(file).ReadAll()
+	if err != nil {
+		fmt.Errorf("could not read file: %v", err)
+	}
+
+	problems := []Problem{}
+	for _, line := range lines {
+		problems = append(problems, Problem{line[0], line[1]})
+	}
+
+	score := 0
+	for i, problem := range problems {
+		userAnswer := ""
+		fmt.Printf("Problem #%d: %s = ", i+1, problem.question)
+		fmt.Scan(&userAnswer)
+		if userAnswer == problem.answer {
+			score++
+		}
+	}
+
+	fmt.Printf("You scored %d out of %d.", score, len(problems))
+}