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Copy pathc++ solution-nate.cpp
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c++ solution-nate.cpp
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#include <iostream>
#include <fstream>
#include <sstream>
using namespace std;
int main (void) {
int dataSets=0, aSize=0, bSize=0, t=0, ws=0, serve=0, prevServe=0, aScore=0, bScore=0;
int side[4]={0};
int cur=0;
int newServe=0;
int debug=0;
int current[4];
fstream fs;
fs.open("ball.in", fstream::in);
fs >> dataSets;
for (int i=0; i<dataSets; i++) {
fs >> aSize >> bSize >> t;
side[0]=0;
side[1]=0;
side[2]=0;
side[3]=0;
current[0]=0;
current[1]=0;
current[2]=0;
current[3]=0;
serve=0;
prevServe=0;
aScore=0;
bScore=0;
newServe=0;
ws=0;
for (int j=0; j<t; j++) {
current[3]=current[2];
current[2]=current[1];
current[1]=current[0];
if (fs.peek()==' ') fs.get();
if (fs.peek()=='A') {
current[0]=-1;
fs.get();
}
else if (fs.peek()=='B') {
current[0]=-2;
fs.get();
}
else if (fs.peek()=='X') {
current[0]=-3;
fs.get();
}
else {
fs >> current[0];
}
side[3]=side[2];
side[2]=side[1];
side[1]=side[0];
stringstream ss;
ss<<current[0];
ss>>cur;
if (current[0]==-1) side[0]=0;
else if (current[0]==-2) side[0]=0;
else if (current[0]==-3) side[0]=0;
else {
if (cur<=aSize) side[0]=1;
else side[0]=2;
}
if (j==0) serve=side[0];
// Wrong side serves
if (newServe==0) {
if (side[0]==1 && serve==2) {
ws=1;
if (debug==1) cout << "\n" << j << ": WS";
}
else if (side[0]==2 && serve==1) {
ws=1;
if (debug==1) cout << "\n" << j << ": WS";
}
}
// Same side hits ball after serve
if (side[0]==1 && serve==1 && newServe==1) {
newServe=0;
serve=2;
if (debug==1) cout << "\n" << j << ": Same side hit ball after serve\n";
}
else if (side[0]==2 && serve==2 && newServe==1) {
newServe=0;
serve=1;
if (debug==1) cout << "\n" << j << ": Same side hit ball after serve\n";
}
// Ball hits ground in bounds
else if (current[0]==-1) {
if (serve==2) bScore++;
newServe=0;
serve=2;
if (debug==1) cout << "\n" << j << ": Ball hit ground in bounds\n";
}
else if (current[0]==-2) {
if (serve==1) aScore++;
newServe=0;
serve=1;
if (debug==1) cout << "\n" << j << ": Ball hit ground in bounds\n";
}
// Ball hits ground out of bounds
else if (side[1]==1 && current[0]==-3) {
if (serve==2) bScore++;
newServe=0;
serve=2;
if (debug==1) cout << "\n" << j << ": Ball hit ground out of bounds\n";
}
else if (side[1]==2 && current[0]==-3) {
if (serve==1) aScore++;
newServe=0;
serve=1;
if (debug==1) cout << "\n" << j << ": Ball hit ground out of bounds\n";
}
// Same person hits ball twice in a row
else if (current[1]==current[0] && current[1]!=-1 && current[1]!=-2 && current[1]!=-3) {
if (side[0]==2) {
if (serve==1) aScore++;
newServe=0;
serve=1;
if (debug==1) cout << "\n" << j << ": Same person hit ball twice\n";
}
else if (side[0]==1) {
if (serve==2) bScore++;
newServe=0;
serve=2;
if (debug==1) cout << "\n" << j << ": Same person hit ball twice\n";
}
}
// Same side hits ball four times in a row
else if (side[3]==side[2] && side[3]==side[1] && side[3]==side[0]) {
if (side[0]==2) {
if (serve==1) aScore++;
newServe=0;
serve=1;
if (debug==1) cout << "\n" << j << ": Same side hit ball four times\n";
}
else if (side[0]==1) {
if (serve==2) bScore++;
newServe=0;
serve=2;
if (debug==1) cout << "\n" << j << ": Same side hit ball four times\n";
}
}
else {
newServe++;
}
}
cout << "Data Set " << i+1 << ":" << endl;
if (ws==0) {
cout << aScore << " " << bScore <<endl;
}
else {
cout << "Wrong Serve" << endl;
}
}
}