#include<algorithm>
#include<iostream>
#include<iomanip>
#include<cstring>
#include<numeric>
#include<string>
#include<vector>
#include<bitset>
#include<queue>
#include<stack>
#include<deque>
#include<cmath>
#include<map>
#include<set>
using namespace std;
#define ll long long
#define ld long double
struct node{
int val, lazy, tl, tr, lc, rc;
node(int _l, int _r){
val = 0; lazy = 0; tl = _l; tr = _r; lc = -1; rc = -1;
}
void oper(int add){
if(!add)return;
val = tr - tl + 1;
lazy = add;
}
};
struct segment_tree{
vector<node> seg;
segment_tree(){
seg.emplace_back(node(1, 16));
}
inline int comb(int a, int b){
return a + b;
}
inline void pull(int ind){
seg[ind].val = comb(seg[seg[ind].lc].val, seg[seg[ind].rc].val);
}
void prop(int ind){
if(seg[ind].tl != seg[ind].tr){
seg[ind].oper(seg[ind].lazy);
int m = (seg[ind].tl + seg[ind].tr) / 2;
if(seg[ind].lc == -1){
seg[ind].lc = (int)seg.size();
seg.emplace_back(node(seg[ind].tl, m));
}
if(seg[ind].rc == -1){
seg[ind].rc = (int)seg.size();
seg.emplace_back(node(m+1, seg[ind].tr));
}
seg[seg[ind].lc].oper(seg[ind].lazy);
seg[seg[ind].rc].oper(seg[ind].lazy);
seg[ind].lazy = 0;
}
}
void upd(int l, int r, int ind = 0){
if(l > seg[ind].tr || r < seg[ind].tl){
return;
}
if(l <= seg[ind].tl && seg[ind].tr <= r){
seg[ind].oper(1);
return;
}
prop(ind);
upd(l, r, seg[ind].lc);
upd(l, r, seg[ind].rc);
pull(ind);
}
int query(int l, int r, int ind = 0){
if(l > seg[ind].tr || r < seg[ind].tl){
return 0;
}
if(l <= seg[ind].tl && seg[ind].tr <= r){
seg[ind].oper(seg[ind].lazy);
return seg[ind].val;
}
prop(ind);
comb(query(l, r, seg[ind].lc),
query(l, r, seg[ind].rc));
}
};
int main(){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
segment_tree ST;
int M; cin >> M;
int c = 0;
for(int i = 1; i <= M; ++i){
int d, x, y; cin >> d >> x >> y;
if(d == 1){
c = ST.query(x + c, y + c);
cout << c << "\n";
}
else{
ST.upd(x + c, y + c);
}
}
return 0;
}
Compilation message
apple.cpp: In member function 'int segment_tree::query(int, int, int)':
apple.cpp:90:13: warning: control reaches end of non-void function [-Wreturn-type]
90 | comb(query(l, r, seg[ind].lc),
| ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
91 | query(l, r, seg[ind].rc));
| ~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
1 ms |
340 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |