Today I have received my T-shirt of Global Round 13
(only change the number of the round)
Btw,how does other round's T-shirts look like?I have only seen GR2,9,10,13 from me or my classmates.
(Probably all the T-shirt for writers is same,I guess.
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Today I have received my T-shirt of Global Round 13
(only change the number of the round)
Btw,how does other round's T-shirts look like?I have only seen GR2,9,10,13 from me or my classmates.
(Probably all the T-shirt for writers is same,I guess.
#include<iostream>
#include<algorithm>
#include<utility>
using namespace std;
typedef pair<int,int>PII;
const int N=2e5+5,inf=2e9;
struct sgt{
PII d[N<<2];
inline PII merge(const PII&A,const PII&B){
if(A.first<B.first)return make_pair(A.first,min(B.first,min(A.second,B.second)));
return make_pair(B.first,min(A.first,min(B.second,A.second)));
}
void build(int l,int r,int o){
d[o]=make_pair(inf,inf);
if(l<r){
const int mid=l+r>>1;
build(l,mid,o<<1),build(mid+1,r,o<<1|1);
}
}
void modify(int l,int r,int o,const int&pos,const int&val){
if(l==r)d[o]=make_pair(val,inf);else{
const int mid=l+r>>1;
if(pos<=mid)modify(l,mid,o<<1,pos,val);else modify(mid+1,r,o<<1|1,pos,val);
d[o]=merge(d[o<<1],d[o<<1|1]);
}
}
PII query(int l,int r,int o,const int&L,const int&R){
if(L<=l&&r<=R)return d[o];
const int mid=l+r>>1;
if(L<=mid&&mid<R)return merge(query(l,mid,o<<1,L,R),query(mid+1,r,o<<1|1,L,R));
if(L<=mid)return query(l,mid,o<<1,L,R);
return query(mid+1,r,o<<1|1,L,R);
}
}R[10];
int a[N],n,m;
int main(){
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
cin>>n>>m;
for(int i=0;i<10;++i)R[i].build(1,n,1);
for(int i=1;i<=n;++i){
cin>>a[i];
int x=a[i];
for(int k=0;k<10;++k,x/=10)
if(x%10)R[k].modify(1,n,1,i,a[i]);
}
while(m--){
int op,l,r;
cin>>op>>l>>r;
if(op==1){
a[l]=r;
for(int k=0;k<10;++k,r/=10)
if(r%10)R[k].modify(1,n,1,l,a[l]);
else
R[k].modify(1,n,1,l,inf);
}else{
unsigned ans=inf;
for(int i=0;i<10;++i){
PII f=R[i].query(1,n,1,l,r);
ans=min(ans,(unsigned)f.first+f.second);
}
cout<<(ans==inf?-1LL:ans)<<'\n';
}
}
return 0;
}
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