#include <cstdlib>
#include <string>
#include <iostream>
#include <vector>
#include <queue>
using namespace std;

const string CORE = "CORE";
const string DISK = "DISK";
const string USER = "USER";
const string NEW = "NEW";

const string READY = "READY";
const string RUNNING = "RUNNING";
const string BLOCKED = "BLOCKED";
const string TERMINATED = "TERMINATED";

struct Action {
string type;
int time;
};

class Process {
private:
vector<Action> actions;
int current;
string state;
int end_time;
int start_time;
int id;
public:
static int objCount;

Process(int start_time) {
   this->start_time = start_time;
   current = -1;
   state = READY;
   id = objCount;
   objCount++;
};

void start() {
   current = 0;
}

void next() {
   current++;
}

bool isEnd() {
   return current >= actions.size();
}

Action getAction() {
   return actions[current];
}

void addAction(Action act) {
   actions.push_back(act);
}

void setEndTime(int time) {
   this->end_time = time;
}

int getEndTime() {
   return end_time;
}

int getStartTime() {
   return start_time;
}

string getState() {
   return state;
}

void setState(string state) {
   this->state = state;
}

int getID() {
   return id;
}

int getDisk() {
   int count = 0;
   for (int i = 0; i < actions.size(); i++) {
         if (actions[i].type == DISK) {
            count++;
         }
   }
   return count;
}

int getUser() {
   int count = 0;
   for (int i = 0; i < actions.size(); i++) {
         if (actions[i].type == USER) {
            count++;
         }
   }
   return count;
}

1, What is the difference between a mode switch and a process switc...