#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define endl '\n'
ll M;
struct DYNAMIC_SEGMENT_TREE {
struct Node {
ll L, R, sum, lazy, ls, rs;
};
vector<Node> ST;
DYNAMIC_SEGMENT_TREE() {
ST = {{1, ll(1e9), 0, 0, -1, -1}};
}
void f(ll id) {
ST[id].sum = ST[id].R - ST[id].L + 1;
ST[id].lazy = 1;
}
void push_down(ll id) {
ll MID = (ST[id].L + ST[id].R) / 2;
if (ST[id].ls == -1) {
ST[id].ls = ST.size();
ST.push_back({ST[id].L, MID, 0, 0, -1, -1});
}
if (ST[id].rs == -1) {
ST[id].rs = ST.size();
ST.push_back({MID + 1, ST[id].R, 0, 0, -1, -1});
}
if (ST[id].lazy == 0) return;
f(ST[id].ls);
f(ST[id].rs);
ST[id].lazy = 0;
}
void push_up(ll id) {
ll MID = (ST[id].L + ST[id].R) / 2;
if (ST[id].ls == -1) {
ST[id].ls = ST.size();
ST.push_back({ST[id].L, MID, 0, 0, -1, -1});
}
if (ST[id].rs == -1) {
ST[id].rs = ST.size();
ST.push_back({MID + 1, ST[id].R, 0, 0, -1, -1});
}
ST[id].sum = ST[ST[id].ls].sum + ST[ST[id].rs].sum;
}
void update(ll id, ll L, ll R) {
push_down(id);
if (ST[id].R < L || R < ST[id].L) return;
//cerr << "update : " << id << " " << ST[id].L << " " << ST[id].R << endl;
if (L <= ST[id].L && ST[id].R <= R) {
f(id);
push_down(id);
return;
}
ll MID = (ST[id].L + ST[id].R) / 2;
if (ST[id].ls == -1) {
ST[id].ls = ST.size();
ST.push_back({ST[id].L, MID, 0, 0, -1, -1});
}
if (ST[id].rs == -1) {
ST[id].rs = ST.size();
ST.push_back({MID + 1, ST[id].R, 0, 0, -1, -1});
}
update(ST[id].ls, L, R);
update(ST[id].rs, L, R);
push_down(ST[id].ls);
push_down(ST[id].rs);
push_up(id);
}
ll getans(ll id, ll L, ll R) {
push_down(id);
if (ST[id].R < L || R < ST[id].L) return 0;
if (L <= ST[id].L && ST[id].R <= R) return ST[id].sum;
push_down(id);
return getans(ST[id].ls, L, R) + getans(ST[id].rs, L, R);
}
void debug() {
for(int i = 0; i < ST.size(); ++i) {
cerr << "i = " << i << " : " << ST[i].L << " " << ST[i].R << " " << ST[i].sum << " "
<< ST[i].lazy << " " << ST[i].ls << " " << ST[i].rs << endl;
}
}
};
int main() {
ios_base :: sync_with_stdio(0);
cin.tie(0); cout.tie(0); cerr.tie(0);
if (fopen("FILE.INP", "r")) {
freopen("FILE.INP", "r", stdin);
freopen("FILE.OUT", "w", stdout);
}
cin >> M;
DYNAMIC_SEGMENT_TREE St;
ll C = 0;
for(int _ = 1; _ <= M; ++_) {
ll D, L, R;
cin >> D >> L >> R;
if (D == 2) {
St.update(0, L + C, R + C);
}
else {
C = St.getans(0, L + C, R + C);
cout << C << endl;
}
//cerr << "query " << _ << endl;
//St.debug();
//cerr << endl;
}
}
Compilation message
apple.cpp: In member function 'void DYNAMIC_SEGMENT_TREE::debug()':
apple.cpp:89:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<DYNAMIC_SEGMENT_TREE::Node>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
89 | for(int i = 0; i < ST.size(); ++i) {
| ~~^~~~~~~~~~~
apple.cpp: In function 'int main()':
apple.cpp:100:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
100 | freopen("FILE.INP", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
apple.cpp:101:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
101 | freopen("FILE.OUT", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
18 ms |
14796 KB |
Output is correct |
| 5 |
Correct |
24 ms |
13576 KB |
Output is correct |
| 6 |
Correct |
25 ms |
14284 KB |
Output is correct |
| 7 |
Correct |
20 ms |
14332 KB |
Output is correct |
| 8 |
Correct |
138 ms |
100552 KB |
Output is correct |
| 9 |
Correct |
294 ms |
198040 KB |
Output is correct |
| 10 |
Correct |
302 ms |
198804 KB |
Output is correct |
| 11 |
Correct |
318 ms |
197812 KB |
Output is correct |
| 12 |
Correct |
303 ms |
198224 KB |
Output is correct |
| 13 |
Runtime error |
270 ms |
262144 KB |
Execution killed with signal 9 |
| 14 |
Halted |
0 ms |
0 KB |
- |
