```cpp
for(int i=min(la,lb); i<max(la,lb); i++) {
if(k==1) {
k=0;
sum[i]=max(a[i],b[i])+1;//越界
if(sum[i]>'9') {
sum[i]-=10;
k=1;
}
} else sum[i]=max(a[i],b[i]);//越界
}
```
by yuyc @ 2024-04-03 12:23:43