diff options
| author | Aditya Naik | 2018-05-10 00:44:54 -0400 |
|---|---|---|
| committer | Aditya Naik | 2018-05-10 00:44:54 -0400 |
| commit | 893beff3693644ca99ae16aa505aac06f2733ab6 (patch) | |
| tree | 8686c2ed4df12869710a16d801fe71e52ac4bcf0 /10284/fen.cpp | |
| parent | a2a760042186b900752014025dd5f3d3bafcfd19 (diff) | |
added few older solution files
Diffstat (limited to '10284/fen.cpp')
| -rwxr-xr-x | 10284/fen.cpp | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/10284/fen.cpp b/10284/fen.cpp new file mode 100755 index 0000000..5daecd5 --- /dev/null +++ b/10284/fen.cpp @@ -0,0 +1,183 @@ +#include <iostream>
+#include <string>
+#include <ctype.h>
+#include <stdlib.h>
+using namespace std;
+
+/*
+legend:
+f: free
+a: attacked
+P/p: pawn
+B/b: bishop
+N/n: knight
+R/r: rook
+Q/q: queen
+K/k: king
+ */
+
+void addrookattack(string board[8][8], int row, int col);
+void addbishopattack(string board[8][8], int row, int col);
+void addattack(string board[8][8], string piece, int row, int col);
+void printboard(string board[8][8]);
+
+int main(){
+ string board[8][8];
+ string fen;//="rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR";
+ while(cin>>fen){
+ int row=0, col=0, index=0;
+ while(row<8){
+ int frees;
+ while(fen[index]!='/' && fen[index]!=NULL){
+ if(isdigit(fen[index])){
+ frees=fen[index]-'0'+col;
+ while(col<frees){board[row][col]="f"; col++; }
+ index++;
+ }
+ else{
+ board[row][col]=fen[index];
+ col++;
+ index++;
+ }
+ }
+ row++;index++;col=0;
+ }
+ //for(row=0;row<8;row++){
+ //cout<<endl;
+ //for(col=0;col<8;col++)
+ //cout<<board[row][col];
+
+ row=col=0;
+ while(row<8){
+ if(board[row][col]=="f" || board[row][col]=="a");
+ else addattack(board, board[row][col], row, col);
+ col++;
+ if(col>7) { row++;col=0; }
+ }
+ // printboard(board);
+ int counter=0;
+ for(row=0;row<8;row++)
+ for(col=0;col<8;col++)
+ if(board[row][col]=="f") counter++;
+ cout<<counter<<endl;
+ }
+ return 0;
+}
+
+void addattack(string board[8][8], string piece, int row, int col){
+
+ if(piece=="k" || piece=="K") {
+
+ if(col+1<=7 && board[row][col+1]=="f") board[row][col+1]="a";
+ if(col-1>=0 && board[row][col-1]=="f") board[row][col-1]="a";
+
+ if(row+1<=7){
+ if(board[row+1][col]=="f") board[row+1][col]="a";
+ if(col+1<=7 && board[row+1][col+1]=="f") board[row+1][col+1]="a";
+ if(col-1>=0 && board[row+1][col-1]=="f") board[row+1][col-1]="a";
+ }
+ if(row-1>=0){
+ if(board[row-1][col]=="f") board[row-1][col]="a";
+ if(col+1<=7 && board[row-1][col+1]=="f") board[row-1][col+1]="a";
+ if(col-1>=0 && board[row-1][col-1]=="f") board[row-1][col-1]="a";
+ }
+ }
+
+ else if(piece=="q" || piece=="Q") {
+ addrookattack(board, row, col);
+ addbishopattack(board, row, col);
+ }
+ else if(piece=="b" || piece=="B") { addbishopattack(board, row, col); }
+ else if(piece=="r" || piece=="R") { addrookattack(board, row, col); }
+ else if(piece=="n" || piece=="N") {
+ if(row+2<=7 && col+1<=7 && board[row+2][col+1]=="f") board[row+2][col+1]="a";
+ if(row+2<=7 && col-1>=0 && board[row+2][col-1]=="f") board[row+2][col-1]="a";
+ if(row-2>=0 && col+1<=7 && board[row-2][col+1]=="f") board[row-2][col+1]="a";
+ if(row-2>=0 && col-1>=0 && board[row-2][col-1]=="f") board[row-2][col-1]="a";
+
+ if(col+2<=7 && row+1<=7 && board[row+1][col+2]=="f") board[row+1][col+2]="a";
+ if(col+2<=7 && row-1>=0 && board[row-1][col+2]=="f") board[row-1][col+2]="a";
+ if(col-2>=0 && row+1<=7 && board[row+1][col-2]=="f") board[row+1][col-2]="a";
+ if(col-2>=0 && row-1>=0 && board[row-1][col-2]=="f") board[row-1][col-2]="a";
+ }
+ else if(piece=="p"){
+ if(row+1<8 && col-1>=0 && board[row+1][col-1]=="f") board[row+1][col-1]="a";
+ if(row+1<8 && col+1<=7 && board[row+1][col+1]=="f") board[row+1][col+1]="a";
+ }
+ else if(piece=="P"){
+ if(row-1>=0 && col+1<=7 && board[row-1][col+1]=="f") board[row-1][col+1]="a";
+ if(row-1>=0 && col-1>=0 && board[row-1][col-1]=="f") board[row-1][col-1]="a";
+ }
+}
+
+void printboard(string board[8][8]){
+ for(int r=0;r<8;r++){
+ for(int c=0;c<8;c++){
+ cout<<board[r][c]<<" ";
+ }
+ cout<<endl;
+ }
+}
+
+
+void addbishopattack(string board[][8],int row, int col){
+ bool conf=false;
+ int trow=row, tcol=col;
+ while(!conf){
+ tcol++;trow++;
+ if(tcol>=8 || trow>=8 || (board[trow][tcol]!="f" && board[trow][tcol]!="a")) conf=true;
+ else board[trow][tcol]="a";
+ }
+ conf=false;
+ trow=row;tcol=col;
+ while(!conf){
+ tcol++;trow--;
+ if(tcol>=8 || trow<0 || (board[trow][tcol]!="f" && board[trow][tcol]!="a")) conf=true;
+ else board[trow][tcol]="a";
+ }
+ conf=false;
+ trow=row; tcol=col;
+ while(!conf){
+ tcol--;trow--;
+ if(tcol<0 || trow<0 || (board[trow][tcol]!="f" && board[trow][tcol]!="a")) conf=true;
+ else board[trow][tcol]="a";
+ }
+ conf=false;
+ trow=row; tcol=col;
+ while(!conf){
+ tcol--;trow++;
+ if(tcol<0 || trow>=8 || (board[trow][tcol]!="f" && board[trow][tcol]!="a")) conf=true;
+ else board[trow][tcol]="a";
+ }
+}
+
+void addrookattack(string board[][8], int row, int col){
+ bool conf=false;
+ int trow=row, tcol=col;
+ while(!conf){
+ trow++;
+ if(trow>=8 || (board[trow][tcol]!="f" && board[trow][tcol]!="a")) conf=true;
+ else board[trow][tcol]="a";
+ }
+ conf=false;
+ trow=row; tcol=col;
+ while (!conf){
+ trow--;
+ if(trow<0 || (board[trow][tcol]!="f" && board[trow][tcol]!="a")) conf=true;
+ else board[trow][tcol]="a";
+ }
+ conf=false;
+ trow=row; tcol=col;
+ while (!conf){
+ tcol++;
+ if(tcol>=8 || (board[trow][tcol]!="f" && board[trow][tcol]!="a")) conf=true;
+ else board[trow][tcol]="a";
+ }
+ conf=false;
+ trow=row;tcol=col;
+ while (!conf){
+ tcol--;
+ if(tcol<0 || (board[trow][tcol]!="f" && board[trow][tcol]!="a")) conf=true;
+ else board[trow][tcol]="a";
+ }
+}
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