main.cpp

   1 #include <iostream>
   2 #include <cstdlib>
   3 #include <ctime>
   4 #include <vector>
   5
   6 using namespace std;
   7
   8 void ch4pe2()
   9 {
  10     for(int i = 99; i>95; i--){
  11         cout << i << " bottles of rootbeer on the wall" << endl;
  12         cout << i << " bottles of rootbeer" << endl;
  13         cout << "Take one down and pass it around" << endl;
  14         cout << "One less bottle of rootbeer on the wall" << endl << endl;
  15     }
  16 }
  17
  18 void ch4pe4()
  19 {
  20     int A, B;
  21
  22     for (A=1; A < 10; A++)
  23     {
  24         for (B=1; B <= A ; B++)
  25         {
  26         cout << B << " ";
  27         }
  28     cout << " " << endl;
  29     }
  30 }
  31
  32 void ch4pe5(void){
  33     for(int i=1; i < 10; i++){
  34         for(int j=0; j < i; j++){
  35             cout << i << " ";
  36         }
  37         cout << endl;
  38     }
  39 }
  40
  41 void ch4pe6(void)
  42 {
  43     for (int X=0;X<10;X++)
  44     {
  45         for (int R=0;R<(9-X);R++)
  46         {
  47             cout<<" ";
  48         }
  49         for(int D=0; D<X; D++)
  50         {
  51             cout<<"o";
  52         }
  53         cout<<endl;
  54     }
  55 }
  56
  57 void ch4pe7(void){
  58     int lines = 10;
  59     for(int i=1; i <= lines; i++){
  60         for(int j=0; j < (lines-i); j++) cout << " ";
  61         for(int j=1; j < i; j++) cout << "0";
  62         cout << "0";
  63         for(int j=1; j < i; j++) cout << "0";
  64         cout << endl;
  65     }
  66 }
  67
  68 void ch4pe8(void)
  69 {
  70     for (int X=0;X<10;X++)
  71     {
  72         for (int R=0;R<(9-X);R++)
  73         {
  74             cout<<" ";
  75         }
  76         for(int D=0; D<X; D++)
  77         {
  78             cout<<"o";
  79         }
  80         for(int E=0;E<(X-1);E++)
  81         {
  82             cout<<"o";
  83         }
  84         cout<<endl;
  85     }
  86     for(int X=10;X>0;X--)
  87     {
  88         for(int D=0;D<(11-X);D++)
  89         {
  90             cout<<" ";
  91         }
  92         for(int R=0;R<(X-3);R++)
  93         {
  94             cout<<"o";
  95         }
  96         for(int E=0;E<(X-2);E++)
  97         {
  98             cout<<"o";
  99         }
 100         cout<<endl;
 101     }
 102 }
 103
 104 void ch5pe2(){
 105     vector<int> input (5);
 106     int tot = 0;
 107     float avg;
 108
 109     for(int i=0;i<5;i++){
 110         cout << "Please input a number: ";
 111         cin >> input[i];
 112         tot += input[i];
 113     }
 114     avg = float(tot)/5.0;
 115
 116     cout << "The average is " << avg << endl << endl;
 117     cout << "The following are greater than the average: " << endl;
 118     for(int i=0; i<5; i++){
 119         if(input[i]>avg) cout << input[i] << endl;
 120     }
 121 }
 122
 123 void ch5pe3(){
 124     vector<int> input (10);
 125     int target = 0;
 126     int count = 0;
 127
 128     for(int i=0;i<10;i++){
 129         cout << "Please input a number: ";
 130         cin >> input[i];
 131     }
 132     cout << "Please input target value: ";
 133     cin >> target;
 134
 135     for(int i=0;i<10;i++){
 136         if(input[i] = target) count++;
 137     }
 138
 139     cout << "The target value appears " << count << " times in the array";
 140 }
 141
 142 void ch5pe4()
 143 {
 144     int arrayPosi[9]={0}, Position, HitorMiss, Bat, n, Leave;
 145     double BatAvrg, arrayBat[9]={0};
 146
 147     Leave=0;
 148     n=0;
 149     HitorMiss = 0;
 150     Bat = 0;
 151
 152     while (Leave != -1)
 153     {
 154         for (n=0; n <9; n++)
 155         {
 156             Position = arrayPosi[n];
 157             cout <<"For Position " << n+1 << ", input a 1 for a hit and a 0 for a miss.";
 158             cin >> HitorMiss;
 159             arrayBat[n] = HitorMiss+arrayBat[n];
 160         }
 161         Bat++;
 162         cout << "Done? Input 0 To Input Another Set, Input -1 To Exit. ";
 163         cin >> Leave;
 164     }
 165     for (n=0; n<9; n++)
 166     {
 167         BatAvrg = arrayBat[n]/Bat;
 168         cout << "Position " << n+1 << " batting average is " << BatAvrg << "" << endl;
 169     }
 170 }
 171
 172 void ch5pe5(){
 173     vector<int> atBats(9);
 174     vector<int> hits(9);
 175     vector<int> bases(9);
 176     int pos, rec;
 177
 178     bool over = false;
 179
 180     while(!over){
 181         cout << "Position: ";
 182         cin >> pos;
 183         if(pos != -1){
 184             cout << "Record: ";
 185             cin >> rec;
 186             if(rec > 0){
 187                 hits[pos-1]++;
 188                 bases[pos-1] += rec;
 189             }
 190             atBats[pos-1]++;
 191         }
 192         else{
 193             over = true;
 194         }
 195     }
 196
 197     cout << "The batting average for each position was: " << endl;
 198     for(int i = 0; i < 9; i++){
 199         cout << "Position " << i+1 << " batting average is " << float(hits[i])/float(atBats[i]) << endl;
 200     }
 201     cout << endl << "The slugging percentage for each position was: " << endl;
 202     for(int i = 0; i < 9; i++){
 203         cout << "Position " << i+1 << " slugging percentage is " << float(bases[i])/float(atBats[i]) << endl;
 204     }
 205 }
 206
 207 void ch5pe6()
 208 {
 209     int T=0;
 210     double D=0,B=0,N=0,I=0;
 211     double R;
 212     double Total[12]={};
 213    srand(time(NULL));
 214
 215
 216     cout<<"How many rolls of the dice? ";
 217     cin>>N;
 218
 219     for(int C=0;C<N;C++)
 220     {
 221         D=(rand()%6)+1;
 222         B=(rand()%6)+1;
 223         T=D+B-2;//-2 so that the number 2 will match with array slot 0
 224         Total[T]++;//to increase the count of the slot matching the number
 225     }
 226     for(int C=0;C<11;C++)
 227     {
 228         R=(Total[C]/N)*100;
 229         // cout<<Total[C]<<" "<<N<<" "<<R<<endl;// for debugging
 230         cout<<"The number "<<C+2<<" was rolled "<<Total[C]<<" times or "<<R<<" percent of the time"<<endl;
 231     }
 232 }
 233
 234 void ch5pe7(){
 235     vector<string> usr(10);
 236     vector<string> pass(10);
 237     string inputuser, inputpass;
 238     bool complete = false;
 239     bool usrfnd = false;
 240
 241     for(int i=0;i<10;i++){
 242         cout << "Please enter a username: ";
 243         cin >> usr[i];
 244         cout << "Please enter a password for " << usr[i] << ": ";
 245         cin >> pass[i];
 246     }
 247
 248     while(!complete){
 249         int pos = 0;
 250
 251         cout << "Please enter your username: ";
 252         cin >> inputuser;
 253         for(int i=0;i<10;i++){
 254             if(usr[i] == inputuser){
 255                 pos = i;
 256                 usrfnd = true;
 257             }
 258         }
 259         if(usrfnd){
 260             cout << "Please enter your password: ";
 261             cin >> inputpass;
 262
 263             if(pass[pos] == inputpass){
 264                 cout << "Access Granted" << endl;
 265                 complete = true;
 266             }
 267             else{
 268                 cout << "Username and password do not match" << endl << endl;
 269             }
 270         }
 271         else{
 272             cout << "Username not found" << endl << endl;
 273         }
 274     }
 275 }
 276
 277 void ch5pe8(){
 278     vector<int> scores(6);
 279     int swaps = 1;
 280     int tot = 0;
 281
 282     for(int i = 0; i < 6; i++){
 283         cout << "Input score: ";
 284         cin >> scores[i];
 285     }
 286
 287     while(swaps != 0){
 288         swaps = 0;
 289         for(int i=0; i < 5; i++){
 290             if(scores[i] > scores[i+1]){
 291                 int a = scores[i];
 292                 scores[i] = scores[i+1];
 293                 scores[i+1] = a;
 294                 swaps++;
 295             }
 296         }
 297     }
 298     for(int i=1; i < 5; i++) tot+=scores[i];
 299
 300     cout << "Highest score : " << scores[5] << endl;
 301     cout << "Lowest score : " << scores[0] << endl;
 302     cout << "Olympic Average : " << float(tot)/4.0 << endl;
 303
 304
 305 }//TODO
 306
 307 int main(void){
 308     cout << "Please select the program you would like to run:" << endl;
 309     cout << "\t" << "1. Ch.4 PE 2" << endl;
 310     cout << "\t" << "2. Ch.4 PE 4" << endl;
 311     cout << "\t" << "3. Ch.4 PE 5" << endl;
 312     cout << "\t" << "4. Ch.4 PE 6" << endl;
 313     cout << "\t" << "5. Ch.4 PE 7" << endl;
 314     cout << "\t" << "6. Ch.4 PE 8" << endl;
 315     cout << "\t" << "7. Ch.5 PE 2" << endl;
 316     cout << "\t" << "8. Ch.5 PE 4" << endl;
 317     cout << "\t" << "9. Ch.5 PE 5" << endl;
 318     cout << "\t" << "10. Ch.5 PE 6" << endl;
 319     cout << "\t" << "11. Ch.5 PE 7" << endl;
 320     cout << "\t" << "12. Ch.5 PE 8" << endl;
 321     cout << endl << "#: ";
 322
 323     int choice;
 324     cin >> choice;
 325     switch(choice)
 326     {
 327         case 1:
 328             ch4pe2();
 329             break;
 330         case 2:
 331             ch4pe4();
 332             break;
 333         case 3:
 334             ch4pe5();
 335             break;
 336         case 4:
 337             ch4pe6();
 338             break;
 339         case 5:
 340             ch4pe7();
 341             break;
 342         case 6:
 343             ch4pe8();
 344             break;
 345         case 7:
 346             ch5pe2();
 347             break;
 348         case 8:
 349             ch5pe4();
 350             break;
 351         case 9:
 352             ch5pe5();
 353             break;
 354         case 10:
 355             ch5pe6();
 356             break;
 357         case 11:
 358             ch5pe7();
 359             break;
 360         case 12:
 361             ch5pe8();
 362             break;
 363         default:
 364             cout << "Sorry, option unimplemented!";
 365             break;
 366     }
 367
 368     char dontend; cin >> dontend;
 369     return 0;
 370 }
 371
 372
 373