爱奇艺前端笔试编程题代码分享
3AC
1.三角形
var inarr = readline().split(" ");
for(var i in inarr){
inarr[i] = parseInt(inarr[i]);
}
inarr.sort(function(x,y){
return x-y;
})
inarr[2] = inarr[2]>=(inarr[0]+inarr[1])?(inarr[0]+inarr[1]-1):(inarr[2]);
print(inarr[0]+inarr[1]+inarr[2]); 2.方块变色 var instr = readline();
var rtotal = instr.match(/R/g).length;
var rcount = 0;
var t;
var n = instr.length;
var min = rtotal;
for(var i=0;i<n;i++){
if(instr[i]=="R"){
rcount++;
}
t = rtotal-2*rcount+i+1;
if(t<min){
min = t;
}
}
console.log(min); 3.repeat比较 var arr = readline().split(" ");
var alen = arr[0].length;
var blen = arr[2].length;
var anum = parseInt(arr[1]);
var bnum = parseInt(arr[3]);
console.log(comp());
function comp(){
if(alen*anum>blen*bnum){
return 'Greater';
}else if(alen*anum<blen*bnum){
return 'Less';
}
var a = arr[0];
var b = arr[2];
for(var i=0;i<anum;i++){
a = a.concat(arr[0]);
}
for(var i=0;i<bnum;i++){
b = b.concat(arr[2]);
}
var len = alen*anum;
for(var i=0;i<len;i++){
if(parseInt(a[i])>parseInt(b[i])){
return 'Greater';
}else if(parseInt(a[i])<parseInt(b[i])){
return 'Less';
}
}
return 'Equal';
} 第三题应该能优化
#爱奇艺##前端工程师#