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10277.cpp
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10277.cpp
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# pragma GCC optimize ("O3")
# pragma GCC optimize ("Ofast")
# pragma GCC optimize ("unroll-loops")
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#pragma warning(disable:4996)
#pragma comment(linker, "/STACK:336777216")
using namespace std;
//using namespace __gnu_pbds;
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef tuple<int, int, int> ti3;
typedef tuple<int, int, int, int> ti4;
typedef stack<int> si;
typedef queue<int> qi;
typedef priority_queue<int> pqi;
typedef pair<ll, ll> pll;
typedef vector<ll> vl;
typedef tuple<ll, ll, ll> tl3;
typedef tuple<ll, ll, ll, ll> tl4;
typedef stack<ll> sl;
typedef queue<ll> ql;
typedef priority_queue<ll> pql;
//typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>ordered_set;
const int dx[4] = { 1,-1,0,0 };
const int dy[4] = { 0,0,1,-1 };
const int ddx[8] = { 0,0,1,1,1,-1,-1,-1 }, ddy[8] = { 1,-1,1,0,-1,1,0,-1 };
const int INF = 0x7f7f7f7f;
const ll INF_LL = 0x7f7f7f7f7f7f7f7f;
ll POW(ll a, ll b, ll MMM) { ll ret = 1; for (; b; b >>= 1, a = (a*a) % MMM)if (b & 1)ret = (ret*a) % MMM; return ret; }
ll GCD(ll a, ll b) { return b ? GCD(b, a%b) : a; }
ll LCM(ll a, ll b) { if (a == 0 || b == 0)return a + b; return a / GCD(a, b) * b; }
ll INV(ll a, ll m) {
ll m0 = m, y = 0, x = 1;
if (m == 1) return 0;
while (a > 1) {
ll q = a / m;
ll t = m;
m = a % m, a = t;
t = y;
y = x - q * y;
x = t;
}
if (x < 0) x += m0;
return x;
}
pll EXGCD(ll a, ll b) {
if (b == 0) return { 1,0 };
auto t = EXGCD(b, a%b);
return { t.second,t.first - t.second*(a / b) };
}
bool OOB(ll x, ll y, ll N, ll M) { return 0 > x || x >= N || 0 > y || y >= M; }
#define X first
#define Y second
#define rep(i,a,b) for(int i = a; i < b; i++)
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define sz(a) ((int)(a.size()))
#define sf1(a) cin >> a
#define sf2(a,b) cin >> a >> b
#define sf3(a,b,c) cin >> a >> b >> c
#define sf4(a,b,c,d) cin >> a >> b >> c >> d
#define sf5(a,b,c,d,e) cin >> a >> b >> c >> d >> e
#define sf6(a,b,c,d,e,f) cin >> a >> b >> c >> d >> e >> f
#define pf1(a) cout << (a) << ' '
#define pf2(a,b) cout << (a) << ' ' << (b) << ' '
#define pf3(a,b,c) cout << (a) << ' ' << (b) << ' '<< (c) << ' '
#define pf4(a,b,c,d) cout << (a) << ' ' << (b) << ' '<< (c) << ' '<< (d) << ' '
#define pf5(a,b,c,d,e) cout << (a) << ' ' << (b) << ' '<< (c) << ' '<< (d) << ' '<< (e) << ' '
#define pf6(a,b,c,d,e,f) cout << (a) << ' ' << (b) << ' '<< (c) << ' '<< (d) << ' '<< (e) << ' ' << (f) << ' '
#define pf0l() cout << '\n';
#define pf1l(a) cout << (a) << '\n'
#define pf2l(a,b) cout << (a) << ' ' << (b) << '\n'
#define pf3l(a,b,c) cout << (a) << ' ' << (b) << ' '<< (c) << '\n'
#define pf4l(a,b,c,d) cout << (a) << ' ' << (b) << ' '<< (c) << ' '<< (d) << '\n'
#define pf5l(a,b,c,d,e) cout << (a) << ' ' << (b) << ' '<< (c) << ' '<< (d) << ' '<< (e) << '\n'
#define pf6l(a,b,c,d,e,f) cout << (a) << ' ' << (b) << ' '<< (c) << ' '<< (d) << ' '<< (e) << ' ' << (f) << '\n'
#define pfvec(V) for(auto const &t : V) pf1(t)
#define pfvecl(V) for(auto const &t : V) pf1(t); pf0l()
class SegLazy_min {
public:
vector<int> seg, lazy;
SegLazy_min(int N) {
seg.resize(4 * N + 54);
lazy.resize(4 * N + 54);
}
void updateLazy(int node, int nl, int nr) {
seg[node] += lazy[node];
if (nl != nr) {
lazy[2 * node] += lazy[node];
lazy[2 * node + 1] += lazy[node];
}
lazy[node] = 0;
}
void update(int i, int j, int val, int node, int nl, int nr) {
if (lazy[node] != 0)
updateLazy(node, nl, nr);
if (j<nl || i>nr) return;
if (i <= nl && nr <= j) {
lazy[node] = val;
updateLazy(node, nl, nr);
return;
}
int mid = (nl + nr) / 2;
update(i, j, val, 2 * node, nl, mid);
update(i, j, val, 2 * node + 1, mid + 1, nr);
seg[node] = min(seg[2 * node], seg[2 * node + 1]);
}
int query(int i, int j, int node, int nl, int nr) {
if (lazy[node] != 0) updateLazy(node, nl, nr);
if (j<nl || i>nr) return 0x7f7f7ff;
if (i <= nl && nr <= j) return seg[node];
int mid = (nl + nr) / 2;
return min(query(i, j, 2 * node, nl, mid), query(i, j, 2 * node + 1, mid + 1, nr));
}
};
class SegLazy_max {
public:
vector<int> seg, lazy;
SegLazy_max(int N) {
seg.resize(4 * N + 4);
lazy.resize(4 * N +4);
}
void updateLazy(int node, int nl, int nr) {
seg[node] += lazy[node];
if (nl != nr) {
lazy[2 * node] += lazy[node];
lazy[2 * node + 1] += lazy[node];
}
lazy[node] = 0;
}
void update(int i, int j, int val, int node, int nl, int nr) {
if (lazy[node] != 0)
updateLazy(node, nl, nr);
if (j<nl || i>nr) return;
if (i <= nl && nr <= j) {
lazy[node] = val;
updateLazy(node, nl, nr);
return;
}
int mid = (nl + nr) / 2;
update(i, j, val, 2 * node, nl, mid);
update(i, j, val, 2 * node + 1, mid + 1, nr);
seg[node] = max(seg[2 * node], seg[2 * node + 1]);
}
int query(int i, int j, int node, int nl, int nr) {
if (lazy[node] != 0) updateLazy(node, nl, nr);
if (j<nl || i>nr) return -0x7f7f7ff;
if (i <= nl && nr <= j) return seg[node];
int mid = (nl + nr) / 2;
return max(query(i, j, 2 * node, nl, mid), query(i, j, 2 * node + 1, mid + 1, nr));
}
};
int C, N, O;
int main(void) {
ios::sync_with_stdio(false);
cin.tie(0);
sf3(C, N, O);
SegLazy_min SegMin(C);
SegLazy_max SegMax(C);
while (O--) {
string command;
sf1(command);
if (command == "state") {
int s;
sf1(s);
s++;
pf1l(SegMin.query(s, s, 1, 1, C));
}
else if (command == "change") {
int x, s;
sf2(s, x);
s++;
if (x > 0) {
int mx = SegMax.query(s, s, 1, 1, C);
if (mx + x > N)
x = N - mx;
SegMin.update(s, s, x, 1, 1, C);
SegMax.update(s, s, x, 1, 1, C);
pf1l(x);
}
else if (x < 0) {
int mn = SegMin.query(s, s, 1, 1, C);
if (mn + x < 0)
x = -mn;
SegMin.update(s, s, x, 1, 1, C);
SegMax.update(s, s, x, 1, 1, C);
pf1l(x);
}
else pf1l(x);
}
else {
int x, a, b;
sf3(a,b,x);
a++; b++;
if (x > 0) {
int mx = SegMax.query(a, b, 1, 1, C);
if (mx + x > N)
x = N - mx;
SegMin.update(a, b, x, 1, 1, C);
SegMax.update(a, b, x, 1, 1, C);
pf1l(x);
}
else if (x < 0) {
int mn = SegMin.query(a, b, 1, 1, C);
if (mn + x < 0)
x = -mn;
SegMin.update(a, b, x, 1, 1, C);
SegMax.update(a, b, x, 1, 1, C);
pf1l(x);
}
else pf1l(x);
}
}
}