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DSL_2_H.bbst.test.cpp
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DSL_2_H.bbst.test.cpp
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// verification-helper: PROBLEM http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DSL_2_H
#include <bits/stdc++.h>
using namespace std;
#define call_from_test
#include "../../bbst/rbst/rbst.cpp"
#include "../../bbst/rbst/data/lazy.cpp"
#include "../../bbst/rbst/impl/basic.cpp"
#undef call_from_test
signed main(){
cin.tie(0);
ios::sync_with_stdio(0);
const char newl = '\n';
int n,q;
cin>>n>>q;
auto f=[](int a,int b){return min(a,b);};
auto g=[](int a,int b){return a+b;};
auto flip=[](int a){return a;};
using Data = decltype(Lazy(f,g,g,flip,INT_MAX,0));
using Node = Data::Node;
constexpr size_t LIM = 1e6;
Basic<Data, LIM> G(f,g,g,flip,INT_MAX,0);
auto rt=G.build(vector<Node>(n,Node(0,0)));
for(int i=0;i<q;i++){
int c;
cin>>c;
if(c==0){
int s,t,x;
cin>>s>>t>>x;
rt=G.update(rt,s,t+1,x);
}
if(c==1){
int s,t;
cin>>s>>t;
cout<<G.query(rt,s,t+1)<<newl;
}
}
return 0;
}