题解 | #高精度整数加法#
高精度整数加法
https://www.nowcoder.com/practice/49e772ab08994a96980f9618892e55b6
const readline=require("readline");
const rl=readline.createInterface({
input:process.stdin,
output:process.stdout,
});
let lines=[];
let numone;
let numtwo;
let onesize;
let twosize;
let res;
let ans='';
rl.on("line",(line)=>{
lines.push(line);
if(lines.length==1){
numone=lines[0];
onesize=numone.length;
}else{
lines.shift();
numtwo=lines[0];
twosize=numtwo.length;
if(onesize>=twosize){
numtwo=numtwo.padStart(onesize,'0');
let flag=0;
while(onesize>0){
res=1*numone[onesize-1]+1*numtwo[onesize-1]
onesize--;
if(flag==1){
res++;
flag=0;
}
if(res>9){
res=res.toString().slice(1,2);
flag=1;
}
ans=res+ans
if(onesize==0&&flag==1){
ans=1+ans
}
}
}else{
numone=numone.padStart(twosize,'0');
let flag=0;
while(twosize>0){
res=1*numone[twosize-1]+1*numtwo[twosize-1]
twosize--;
if(flag==1){
res++;
flag=0;
}
if(res>9){
res=res.toString().slice(1,2);
flag=1;
}
ans=res+ans
if(onesize==0&&flag==1){
ans=1+ans
}
}
}
console.log(ans);
}
})
