1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
#include <iostream>
#include <vector>
#include <string>
#include <fstream>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <stdexcept>
using namespace std;
const string filename = "elements.txt";
//the following are UBUNTU/LINUX ONLY terminal color codes.
const string WHITE = "\033[37m";
const string RED = "\033[35m";
const string CYAN = "\033[34m";
class Elements{
public:
vector<string> symbols;
vector<string> names;
void genElements(Elements &elements);
};
void printTable(vector<string> correct);
void pause();
int main()
{
int num, i, j, right = 0;
double grade, ans;
vector<string> correct;
string sym, elm, temp;
vector<int> skipped;
vector<int> numsUsed;
string answer;
bool done = false;
Elements elements;
elements.genElements(elements);
correct.resize(118);
numsUsed.resize(118);
for (i = 1; i <= 118; i++){
temp = to_string(i);
correct[i-1] = WHITE + temp + WHITE;
numsUsed[i-1] = i;
}
srand(time(0));
for (i = 0; i < 118; i++){
/* randomizes element list */
num = (rand() % 118);
j = numsUsed[i];
numsUsed[i] = numsUsed[num];
numsUsed[num] = j;
}
/* quiz user */
//first time through
for (i = 0; i < numsUsed.size(); i++){
num = numsUsed[i];
cout << string(50, '\n');
printTable(correct);
sym = elements.symbols[num - 1];
elm = elements.names[num - 1];
cout << "enter the atomic number of " << elm << " (" << sym << ")\n";
cout << "(enter 0 to skip)\n";
ans = -1;
do{
cin >> answer;
try {
ans = stod(answer);
} catch (const invalid_argument& ai) { }
if (ans < 0 || ans > 118){
cerr << "error: must be a number between 0 and 118" << endl;
}
} while (ans < 0 || ans > 118);
if (ans == 0){
skipped.push_back(num);
}else if (ans == num){
right++;
correct[num - 1] = CYAN + sym + WHITE;
}else{
cout << "incorrect, " << elm << " has the atomic number " << num << endl;
correct[num - 1] = RED + sym + WHITE;
pause();
}
//deal with skipped elements
if (i == numsUsed.size() - 1){
while (!skipped.empty()){
numsUsed.clear();
numsUsed = skipped;
for (i = 0; i < numsUsed.size(); i++){
/* randomizes element list */
num = (rand() % numsUsed.size());
j = numsUsed[i];
numsUsed[i] = numsUsed[num];
numsUsed[num] = j;
}
skipped.clear();
}
i = 0; //reset counter
}
}
cout << string(50, '\n');
printTable(correct);
/* output grade */
grade = (right/118.0)*100;
printf("You got %.2f", grade);
cout << "% correct!\n";
return 0;
}
void Elements::genElements(Elements &elements){
int num;
ifstream text;
string sym, elm;
text.open(filename.c_str());
if (text.fail()){ cerr << "failed to open file" << endl; exit(1);}
elements.symbols.resize(118);
elements.names.resize(118);
while (text >> sym >> elm >> num){
elements.symbols[num-1] = sym;
elements.names[num-1] = elm;
}
text.close();
}
void printTable(vector<string> correct){//sorry for the mess
int i;
string row, row7, row8;
string row1space;
string row2space;
string row4space;
string row8space;
row = " --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---";
row7 = " --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---";
row8 = " --- --- --- --- --- --- --- --- --- --- --- --- --- --- ";
row1space = " ";
row2space = " ";
row4space = " ";
row8space = " ";
//row 1
printf(" --- ---\n");
printf("|%13s|%s|%13s|\n", correct[0].c_str(), row1space.c_str(), correct[1].c_str());
//row 2
printf(" --- --- %s --- --- --- --- --- ---\n", row2space.c_str());
printf("|%13s|%13s|%s", correct[2].c_str(), correct[3].c_str(), row2space.c_str());
for (i = 4; i < 10; i++){
printf("|%13s", correct[i].c_str());
}
printf("|\n");
//row 3
printf(" --- --- %s --- --- --- --- --- ---\n", row2space.c_str());
printf("|%13s|%13s|%s", correct[10].c_str(), correct[11].c_str(), row2space.c_str());
for (i = 12; i < 18; i++){
printf("|%13s", correct[i].c_str());
}
printf("|\n");
//row 4
printf("%s\n", row.c_str());
printf("|%13s|%13s|%s", correct[18].c_str(), correct[19].c_str(), row4space.c_str());
for (i = 20; i < 36; i++){
printf("|%13s", correct[i].c_str());
}
printf("|\n");
//row 5
printf("%s\n", row.c_str());
printf("|%13s|%13s|%s", correct[36].c_str(), correct[37].c_str(), row4space.c_str());
for (i = 38; i < 54; i++){
printf("|%13s", correct[i].c_str());
}
printf("|\n");
//row 6
printf("%s\n", row7.c_str());
printf("|%13s|%13s| * ", correct[54].c_str(), correct[55].c_str());
for (i = 70; i < 86; i++){
printf("|%13s", correct[i].c_str());
}
printf("|\n");
//row 7
printf("%s\n", row7.c_str());
printf("|%13s|%13s| # ", correct[86].c_str(), correct[87].c_str());
for (i = 102; i < 118; i++){
printf("|%13s", correct[i].c_str());
}
printf("|\n%s\n", row7.c_str());
//row 8
printf("%s\n", row8.c_str());
printf("%s * ", row8space.c_str());
for (i = 56; i < 70; i++){
printf("|%13s", correct[i].c_str());
}
printf("|\n");
//row 8
printf("%s\n", row8.c_str());
printf("%s # ", row8space.c_str());
for (i = 88; i < 102; i++){
printf("|%13s", correct[i].c_str());
}
printf("|\n%s\n", row8.c_str());
}
void pause(){
cin.clear();
cout << "press any key to continue" << endl;
cin.ignore();
cin.get();
}
|
