public?class?ts{ public?static?void?main(String?args[]){
f(1);
f(1,2,3);
} public?static?int?f(int?x){
return?x*x;
} public?static?int?f(int?x,int?y){
return?x*x+y*y;
} public?static?int?f(int?x,int?y,int?z){
return?x*x+y*y+z*z;
}
}
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