#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define sz size()
#define ll long long
#define pii pair <int, int>
const int N = 1e5 + 5;
int l[N], r[N], n, m, jog, w[N];
bool vis[N];
vector <pii> v[N];
int st[3 * N];
//void update (int idx, int x, int y, int val) {
// if (x == y) {
// st[idx] = w[x];
// return;
// }
// int mid = (x + y) / 2;
// if (val <= mid) update (idx * 2, x, mid, val);
// else update (idx * 2 + 1, mid + 1, y, val);
// st[idx] = min (st[idx * 2], st[idx * 2 + 1]);
//}
//
//int jogap (int idx, int x, int y, int l1, int r1) {
//// cout << "--> " << x << " " << y << " " << l1 << " " << r1 << " " << idx << " " << st[idx] << "\n";
// if (l1 <= x and y <= r1) return st[idx];
// if (l1 > y or x > r1) {
//// cout << "gaytdy\n";
// return 1e9;
// }
// int mid = (x + y) / 2;
// return min (jogap (idx * 2, x, mid, l1, r1), jogap (idx * 2 + 1, mid + 1, y, l1, r1));
//}
void dfs (int x, int y) {
jog++;
vis[x] = 1;
for (pii i : v[x]) {
if (vis[i.ff] or y > i.ss) continue;
dfs (i.ff, y);
}
}
int main () {
// ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
// freopen ("input.txt", "r", stdin);
cin >> n >> m;
for (int i = 1; i <= m; ++i) {
cin >> l[i] >> r[i] >> w[i];
}
int q;
cin >> q;
// q== 3 if-i ayyr
// if (n <= 1000 and m <= 1000 and q <= 10000) {
// while ( q-- ) {
// int typ, l1, r1;
// cin >> typ >> l1 >> r1;
// if (typ == 2) {
// for (int i = 1; i <= m; ++i) {
// v[l[i]].pb ({r[i], w[i]});
// v[r[i]].pb ({l[i], w[i]});
// }
// jog = 0;
// dfs (l1, r1);
// for (int i = 1; i <= n; ++i) {
// vis[i] = 0;
// v[i].clear();
// }
// cout << jog << "\n";
// }
// else {
// w[l1] = r1;
// }
// }
// }
// else {
for (int i = 1; i < n; ++i) {
update (1, 1, n - 1, i);
}
// cout << "men";
// return 0;
while ( q-- ) {
int typ, l1, r1;
cin >> typ >> l1 >> r1;
// cout << typ << " " << l1 << " " << r1 << endl;
if (typ == 1) {
w[l1] = r1;
update (1, 1, n - 1, l1);
}
else {
int x = 1, y = l1 - 1, jog1 = 0, jog2 = 0;
while (x <= y) {
int md = (x + y) / 2;
int kk = jogap (1, 1, n - 1, l1 - md, l1 - 1);
// cout << x << " " << y << " " << kk << " " << l1 - md << " " << l1 - 1 << " " << r1 << "\n";
if (kk < r1) {
y = md - 1;
}
else {
jog1 = md;
x = md + 1;
}
}
// return cout << jog1, 0;
x = 1, y = n - l1;
while (x <= y) {
int md = (x + y) / 2;
if (jogap (1, 1, n - 1, l1, l1 + md - 1) < r1) {
y = md - 1;
}
else {
jog2 = md;
x = md + 1;
}
}
cout << jog1 + jog2 + 1 << "\n";
}
}
// }
}
Compilation message
street_lamps.cpp: In function 'int main()':
street_lamps.cpp:83:4: error: 'update' was not declared in this scope
83 | update (1, 1, n - 1, i);
| ^~~~~~
street_lamps.cpp:93:5: error: 'update' was not declared in this scope
93 | update (1, 1, n - 1, l1);
| ^~~~~~
street_lamps.cpp:99:15: error: 'jogap' was not declared in this scope
99 | int kk = jogap (1, 1, n - 1, l1 - md, l1 - 1);
| ^~~~~
street_lamps.cpp:114:10: error: 'jogap' was not declared in this scope
114 | if (jogap (1, 1, n - 1, l1, l1 + md - 1) < r1) {
| ^~~~~
