#include <bits/stdc++.h>
#define fo(i, d, c) for (int i = d; i <= c; i++)
#define fod(i, c, d) for (int i = c; i >= d; i--)
#define maxn 1000010
#define N 1010
#define fi first
#define se second
#define pb emplace_back
#define en cout << "\n";
#define int long long
#define inf (int)1e18
#define bitcount(x) __builtin_popcountll(x)
#define pii pair<int, int>
#define vii vector<pii>
#define lb(x) x & -x
#define bit(i, j) ((i >> j) & 1)
#define offbit(i, j) (i ^ (1LL << j))
#define onbit(i, j) (i | (1LL << j))
#define vi vector<int>
#define all(x) x.begin(), x.end()
#define ss(x) (int)x.size()
template <typename T1, typename T2>
bool minimize(T1 &a, T2 b)
{
if (a > b)
{
a = b;
return true;
}
return false;
}
template <typename T1, typename T2>
bool maximize(T1 &a, T2 b)
{
if (a < b)
{
a = b;
return true;
}
return false;
}
using namespace std;
const int nsqrt = 450;
const int mod = 1e9 + 7;
template <class T>
struct Fenwick_Tree
{
vector<T> bit_add, bit_sub;
int n;
Fenwick_Tree(int n = 0) : n(n), bit_add(n + 1), bit_sub(n + 1) {}
void clear()
{
fill(bit_add.begin(), bit_add.end(), T(0));
fill(bit_sub.begin(), bit_sub.end(), T(0));
}
void update(int u, int v, T val)
{
for (int i = u; i <= n; i += i & -i)
{
bit_add[i] += val;
bit_sub[i] += 1LL * (u - 1) * val;
}
for (int i = v; i <= n; i += i & -i)
{
bit_add[i] -= val;
bit_sub[i] -= 1LL * v * val;
}
}
void update(int u, T val) { update(u, u, val); }
T get(int u)
{
T ans1 = 0, ans2 = 0;
for (int i = u; i; i -= i & -i)
{
ans1 += bit_add[i];
ans2 += bit_sub[i];
}
return u * ans1 - ans2;
}
T get(int l, int r) { return get(r) - get(l - 1); }
};
struct SegmentTree
{
vector<int> st, lazy;
int n;
/// real n
SegmentTree(int _n = 0) : n(_n)
{
st.resize(4 * n + 10);
lazy.resize(4 * n + 10);
}
void resize(int _n)
{
n = _n;
st.resize(4 * n + 10);
lazy.resize(4 * n + 10);
}
void down(int id, int l, int r)
{
if (lazy[id] == 0)
return;
int mid = l + r >> 1;
st[id << 1] += lazy[id] * (mid - l + 1);
lazy[id << 1] += lazy[id];
st[id << 1 | 1] += lazy[id] * (r - mid);
lazy[id << 1 | 1] += lazy[id];
lazy[id] = 0;
}
void update(int id, int l, int r, int u, int v, int val)
{
if (u > r || l > v)
return;
if (u <= l && r <= v)
{
st[id] += val * (r - l + 1);
lazy[id] += val;
return;
}
down(id, l, r);
int mid = (l + r) >> 1;
update(id << 1, l, mid, u, v, val);
update(id << 1 | 1, mid + 1, r, u, v, val);
st[id] = st[id << 1] + st[id << 1 | 1];
}
int get(int id, int l, int r, int u, int v)
{
if (l > v || u > r)
return 0;
if (u <= l && r <= v)
return st[id];
down(id, l, r);
int mid = (l + r) >> 1;
return get(id << 1, l, mid, u, v) + get(id << 1 | 1, mid + 1, r, u, v);
}
int walkright(int id, int l, int r, int x, int val)
{
if (st[id] < val)
return -1;
if (r < x)
return -1;
if (l == r)
return l;
down(id, l, r);
int mid = l + r >> 1;
int ans = -1;
if (st[id << 1] >= val)
return walkright(id << 1, l, mid, x, val);
return walkright(id << 1 | 1, mid + 1, r, x, val - st[id << 1]);
}
int walkleft(int id, int l, int r, int x, int val)
{
if (st[id] < val)
return -1;
if (l > x)
return -1;
if (l == r)
return l;
down(id, l, r);
int mid = l + r >> 1;
int ans = -1;
if (st[id << 1 | 1] >= val)
return walkleft(id << 1 | 1, mid + 1, r, x, val);
return walkleft(id << 1, l, mid, x, val - st[id << 1 | 1]);
}
int get(int l, int r)
{
return get(1, 1, n, l, r);
}
void update(int l, int r, int val)
{
update(1, 1, n, l, r, val);
}
int walkright(int x, int val)
{
return walkright(1, 1, n, x, val);
}
int walkleft(int x, int val)
{
return walkleft(1, 1, n, x, val);
}
} add;
int lazy[4 * maxn];
pii st[4 * maxn];
void build(int id, int l, int r)
{
if (l == r)
{
st[id] = {0, 1};
return;
}
int mid = l + r >> 1;
build(id << 1, l, mid);
build(id << 1 | 1, mid + 1, r);
st[id].fi = min(st[id << 1].fi, st[id << 1 | 1].fi);
st[id].se = st[id << 1].se + st[id << 1 | 1].se;
}
void down(int id, int l, int r)
{
st[id << 1].fi += lazy[id];
lazy[id << 1] += lazy[id];
st[id << 1 | 1].fi += lazy[id];
lazy[id << 1 | 1] += lazy[id];
lazy[id] = 0;
}
void update(int id, int l, int r, int u, int v, int val)
{
if (u > r || l > v)
return;
if (u <= l && r <= v)
{
st[id].fi += val;
lazy[id] += val;
return;
}
down(id, l, r);
int mid = (l + r) >> 1;
update(id << 1, l, mid, u, v, val);
update(id << 1 | 1, mid + 1, r, u, v, val);
st[id] = min(st[id << 1], st[id << 1 | 1]);
}
pii get(int id, int l, int r, int u, int v)
{
if (l > v || u > r)
return {inf, inf};
if (u <= l && r <= v)
return st[id];
down(id, l, r);
int mid = (l + r) >> 1;
return min(get(id << 1, l, mid, u, v), get(id << 1 | 1, mid + 1, r, u, v));
}
int n, m, q;
int g[maxn];
vector<array<int, 3>> up[maxn];
bool ok[maxn];
vii qry[maxn];
Fenwick_Tree<int> del(maxn);
int ans[maxn];
main()
{
#define name "TASK"
if (fopen(name ".inp", "r"))
{
freopen(name ".inp", "r", stdin);
freopen(name ".out", "w", stdout);
}
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n >> m >> q;
add.resize(q + 1);
fo(i, 1, q)
{
int t;
cin >> t;
if (t == 1)
{
int l, r, c, k;
cin >> l >> r >> c >> k;
up[l].push_back({k, i, 1});
up[r + 1].push_back({-k, i, 1});
}
else if (t == 2)
{
int l, r, k;
cin >> l >> r >> k;
up[l].push_back({-k, i, 2});
up[r + 1].push_back({k, i, 2});
}
else
{
ok[i] = 1;
int j, v;
cin >> j >> v;
qry[j].pb(v, i);
}
}
build(1, 1, q);
fo(i, 1, n)
{
for (auto [val, pos, t] : up[i])
{
update(1, 1, q, pos, q, val);
if (t == 1)
add.update(pos, q, val);
else
add.update(pos, q, -val);
}
int val = 0;
for (auto [val, pos] : qry[i])
{
auto [u, l] = min(get(1, 1, q, 1, pos), {0, 0});
if (get(1, 1, q, pos, pos).fi < u + val)
continue;
val += del.get(pos, pos);
ans[pos] = add.walkright(l, val);
}
}
fo(i, 1, q) if (ok[i]) cout << ans[i] << "\n";
}
Compilation message
foodcourt.cpp: In member function 'void SegmentTree::down(long long int, long long int, long long int)':
foodcourt.cpp:108:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
108 | int mid = l + r >> 1;
| ~~^~~
foodcourt.cpp: In member function 'long long int SegmentTree::walkright(long long int, long long int, long long int, long long int, long long int)':
foodcourt.cpp:151:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
151 | int mid = l + r >> 1;
| ~~^~~
foodcourt.cpp:152:13: warning: unused variable 'ans' [-Wunused-variable]
152 | int ans = -1;
| ^~~
foodcourt.cpp: In member function 'long long int SegmentTree::walkleft(long long int, long long int, long long int, long long int, long long int)':
foodcourt.cpp:166:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
166 | int mid = l + r >> 1;
| ~~^~~
foodcourt.cpp:167:13: warning: unused variable 'ans' [-Wunused-variable]
167 | int ans = -1;
| ^~~
foodcourt.cpp: In function 'void build(long long int, long long int, long long int)':
foodcourt.cpp:198:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
198 | int mid = l + r >> 1;
| ~~^~~
foodcourt.cpp: At global scope:
foodcourt.cpp:247:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
247 | main()
| ^~~~
foodcourt.cpp: In function 'int main()':
foodcourt.cpp:296:13: warning: unused variable 'val' [-Wunused-variable]
296 | int val = 0;
| ^~~
foodcourt.cpp: In instantiation of 'Fenwick_Tree<T>::Fenwick_Tree(long long int) [with T = long long int]':
foodcourt.cpp:245:27: required from here
foodcourt.cpp:49:9: warning: 'Fenwick_Tree<long long int>::n' will be initialized after [-Wreorder]
49 | int n;
| ^
foodcourt.cpp:48:15: warning: 'std::vector<long long int> Fenwick_Tree<long long int>::bit_add' [-Wreorder]
48 | vector<T> bit_add, bit_sub;
| ^~~~~~~
foodcourt.cpp:51:5: warning: when initialized here [-Wreorder]
51 | Fenwick_Tree(int n = 0) : n(n), bit_add(n + 1), bit_sub(n + 1) {}
| ^~~~~~~~~~~~
foodcourt.cpp:252:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
252 | freopen(name ".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
foodcourt.cpp:253:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
253 | freopen(name ".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
13 ms |
69724 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
13 ms |
69724 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
101 ms |
83192 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
406 ms |
117332 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
13 ms |
69724 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
77 ms |
82516 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
13 ms |
69724 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
13 ms |
69724 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
