dm/school
1
0
Fork 0
Code Issues Pull Requests Activity

adding cs142 code

Browse Source
This commit is contained in:
dm
2016-04-06 20:45:34 -07:00
parent 552d456d53
commit 8e52ce1982
174 changed files with 14064 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cs142/lab08/Makefile
+18
View File
@@ -0,0 +1,18 @@
CXX=g++
CPPFLAGS=-Wall -g -std=c++0x
all: people
people: main.o person.o
g++ $(CPPFLAGS) person.o main.o -o people
main.o: main.cpp person.o person.h
person.o: person.cpp person.h
test: people
./people < test.txt
clean:
rm -fv people *.o
debug: people
gdb people
cs142/lab08/main.cpp
+106
View File
@@ -0,0 +1,106 @@
#include <iostream>
#include <vector>
using namespace std;
#include "person.h"
void display_list_of_friends(vector<person> & p) {
for(unsigned int i = 0; i < p.size(); i++) {
cout << p[i].name << endl;
cout << "\t" << p[i].fav_food << endl;
cout << "\tlist of friends: " << endl;
for(unsigned int j = 0; j < p[i].friends.size(); j++) {
cout << "\t\t" << p[i].friends[j] << endl;;
}
}
}
int get_person(vector<person> & p, string name) {
int position = -1;
for(unsigned int i = 0; i < p.size(); i++) {
if(p[i].name == name) {
position = i;
break;
}
}
return position;
}
int main() {
vector<person> people;
string selection;
while(1) {
cout << "1)add person\n2)display all people\n3)add friend\n4)remove friend" << endl;
cout << "5)modify food\n6)display friends/food" << endl;
cin >> selection;
if(selection[0] == '1') { //optimized
string name, food;
cout << "what is the persons name followed by favorite food on a new line " << endl;
cin.ignore();
getline(cin, name);
getline(cin, food);
person p = person(name, food);
int p1 = get_person(people, p.name);
if(p1 == -1) {
people.push_back(p);
}
}
else if(selection[0] == '2') { //optimized
display_list_of_friends(people);
}
else if(selection[0] == '3') { //optimized
cout << "which relationship do you want to start (enter two names, seperated by newlines)?" << endl;
string first, second;
cin.ignore();
getline(cin, first);
getline(cin, second);
int p1 = get_person(people, first);
int p2 = get_person(people, second);
if(p1 != -1 and p2 != -1 and first!= second) {
people[p1].add_friend(second);
people[p2].add_friend(first);
}
}
else if(selection[0] == '4') { //optimized
cout << "which relationship do you want to end (enter two names, seperated by newlines)?" << endl;
string first, second;
cin.ignore();
getline(cin, first);
getline(cin, second);
int p1 = get_person(people, first);
int p2 = get_person(people, second);
if (p1 != -1 and p2 != -1) {
people[p1].delete_friend(people[p2].name);
people[p2].delete_friend(people[p1].name);
}
}
else if(selection[0] == '5') { //optimized
string name;
cout << "what is the name of the person to whom you would like to modify fav food?" << endl;
cin.ignore();
getline(cin, name);
int p1 = get_person(people, name);
if(p1 != -1) {
string new_food;
cout << "what food do you want to add?" << endl;
getline(cin, new_food);
people[p1].modify_food(new_food);
}
}
else if(selection[0] == '6') {
cout << "What is the name of the person to whom you would like to view friends with same food?" << endl;
string name;
cin.ignore();
getline(cin, name);
int p1 = get_person(people, name);
if(p1 != -1) {
people[p1].display_person(people);
}
}
else if(selection[0] == 'q') {
break;
}
}
}
cs142/lab08/person.cpp
+47
View File
@@ -0,0 +1,47 @@
#include <iostream>
#include <string>
using namespace std;
#include "person.h"
void person::modify_food(string new_food) {
fav_food = new_food;
}
void person::display_person(vector<person> & p) {
for(unsigned int i = 0; i < friends.size(); i++) {
for(unsigned int j = 0; j < p.size(); j++) {
if(p[j].name == friends[i] and p[j].fav_food == fav_food) {
cout << p[j].name << " also likes " << fav_food << endl;
}
}
}
}
void person::add_friend(string name) {
if(not already_friends(name)) {
friends.push_back(name);
}
}
bool person::already_friends(string name) {
for(unsigned int i = 0; i < friends.size(); i++) {
if(friends[i] == name) {
return true;
}
}
return false;
}
void person::delete_friend(string name) {
for(unsigned int i = 0; i < friends.size(); i++) {
if(friends[i] == name) {
friends.erase((friends.begin())+i);
break;
}
else {
cerr << "this person does not exist" << endl;
}
}
}
cs142/lab08/person.h
+24
View File
@@ -0,0 +1,24 @@
#ifndef __PERSON_H__
#define __PERSON_H__
#include <iostream>
#include <vector>
using namespace std;
class person {
public:
string name;
string fav_food;
vector<string> friends;
person(string new_name, string food) {
name = new_name;
fav_food = food;
};
void modify_food(string new_food);
void display_person(vector<person> & p);
void add_friend(string name);
bool already_friends(string name);
void delete_friend(string name);
};
#endif
cs142/lab08/test.cc
+43
View File
@@ -0,0 +1,43 @@
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
ostream & operator<<(ostream & os, vector<string> & v) {
os << "[";
for(auto &i: v) {
os << i << ", ";
}
os << "]";
return os;
}
int main() {
vector<string> people = {
"bilbo",
"frodo",
"samwise",
"gandalf",
"aragorn",
"aowen",
"gollum",
"gimli",
"legalos",
};
cout << people << endl;
vector<string>::iterator it = find(people.begin(), people.end(), "gandalf");
if(it != people.end())
people.erase(it);
cout << people << endl;
it = find(people.begin(), people.end(), "frodo");
if(it != people.end())
people.erase(it);
cout << people << endl;
it = find(people.begin(), people.end(), "Lord Voldemort");
if(it != people.end())
people.erase(it);
cout << people << endl;
}
cs142/lab08/test.txt
+21
View File
@@ -0,0 +1,21 @@
2
1
stephen
apples
1
derek
panda
2
3
stephen
derek
2
1
colleen
bananna
2
3
colleen
derek
2
q