ソースコード
#include <iostream>
#include <string>
#include <vector>
#include <fstream>
using namespace std;
int main(){
/*string file;
cin >> file;
file += "_in.txt";
cout << file.c_str() << endl;
ifstream in(file.c_str());*/
vector<string> s;
s.resize(8);
for(int i=0; i<8; i++) cin>>s[i];
int c;
char t[3];
cin >> c >> t;
int t2[2];
t2[0]=t[0]-'A';
t2[1]=t[1]-'1';
char my, op;
if (c == 0){
my = 'b';
op = 'w';
}
if (c == 1){
my = 'w';
op = 'b';
}
int x, y;
int v, w;
int flag;
for (int d = 0; d < 8; d++){
if (d == 0){ x = 0; y = -1; }
if (d == 1){ x = 1; }
if (d == 2){ y = 0; }
if (d == 3){ y = 1; }
if (d == 4){ x = 0; }
if (d == 5){ x = -1;}
if (d == 6){ y = 0; }
if (d == 7){ y = -1;}
//cout << x << " " << y << endl;
v = t2[0];
w = t2[1];
flag = 0;
while (1){
if (s[w][v] == my){ flag = 1; break; }
if (0 <= v + x && v + x < 8 && 0 <= w + y && w + y < 8){
v += x;
w += y;
}
else break;
//cout << v << " " << w << endl;
}
v = t2[0];
w = t2[1];
if (flag == 1){
//cout << d << endl;
while (s[w][v]!=my){
v += x;
w += y;
s[w][v] = my;
/*for (int k = 0; k < 8; k++) cout << s[k] << endl;
cout << endl;*/
}
}
}
s[t2[1]][t2[0]] = my;
for (int i = 0; i < 8; i++) cout << s[i] << endl;
//cin >> x;
return 0;
}