public IntPair(IntPair x) { this.first = x.first; this.second = x.second; }
public IntPair(IntPair x) { this.first = x.first; this.second = x.second; }
public IntPair(IntPair x) { this.first = x.first; this.second = x.second; }
public IntPair(IntPair x) { this.first = x.first; this.second = x.second; }