#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef double db;
typedef string str;
typedef pair<int,int> pi;
typedef pair<ll,ll> pl;
typedef pair<db,db> pd;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<db> vd;
typedef vector<str> vs;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
typedef vector<pd> vpd;
#define mp make_pair
#define f first
#define s second
#define sz(x) (int)x.size()
#define all(x) begin(x), end(x)
#define rall(x) (x).rbegin(), (x).rend()
#define rsz resize
#define ins insert
#define ft front()
#define bk back()
#define pf push_front
#define pb push_back
#define eb emplace_back
#define lb lower_bound
#define ub upper_bound
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)
const int MOD = 1e9+7; // 998244353;
const int MX = 2e5+5;
const ll INF = 1e18;
const ld PI = acos((ld)-1);
const int xd[4] = {1,0,-1,0}, yd[4] = {0,1,0,-1};
mt19937 rng((uint32_t)chrono::steady_clock::now().time_since_epoch().count());
template<class T> bool ckmin(T& a, const T& b) {
return b < a ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) {
return a < b ? a = b, 1 : 0; }
int pct(int x) { return __builtin_popcount(x); }
int bits(int x) { return 31-__builtin_clz(x); } // floor(log2(x))
int cdiv(int a, int b) { return a/b+!(a<0||a%b == 0); } // division of a by b rounded up, assumes b > 0
int fstTrue(function<bool(int)> f, int lo, int hi) {
hi ++; assert(lo <= hi); // assuming f is increasing
while (lo < hi) { // find first index such that f is true
int mid = (lo+hi)/2;
f(mid) ? hi = mid : lo = mid+1;
}
return lo;
}
// INPUT
template<class A> void re(complex<A>& c);
template<class A, class B> void re(pair<A,B>& p);
template<class A> void re(vector<A>& v);
template<class A, size_t SZ> void re(array<A,SZ>& a);
template<class T> void re(T& x) { cin >> x; }
void re(db& d) { str t; re(t); d = stod(t); }
void re(ld& d) { str t; re(t); d = stold(t); }
template<class H, class... T> void re(H& h, T&... t) { re(h); re(t...); }
template<class A> void re(complex<A>& c) { A a,b; re(a,b); c = {a,b}; }
template<class A, class B> void re(pair<A,B>& p) { re(p.f,p.s); }
template<class A> void re(vector<A>& x) { trav(a,x) re(a); }
template<class A, size_t SZ> void re(array<A,SZ>& x) { trav(a,x) re(a); }
// TO_STRING
#define ts to_string
str ts(char c) { return str(1,c); }
str ts(bool b) { return b ? "true" : "false"; }
str ts(const char* s) { return (str)s; }
str ts(str s) { return s; }
template<class A> str ts(complex<A> c) {
stringstream ss; ss << c; return ss.str(); }
str ts(vector<bool> v) {
str res = "{"; F0R(i,sz(v)) res += char('0'+v[i]);
res += "}"; return res; }
template<size_t SZ> str ts(bitset<SZ> b) {
str res = ""; F0R(i,SZ) res += char('0'+b[i]);
return res; }
template<class A, class B> str ts(pair<A,B> p);
template<class T> str ts(T v) { // containers with begin(), end()
bool fst = 1; str res = "{";
for (const auto& x: v) {
if (!fst) res += ", ";
fst = 0; res += ts(x);
}
res += "}"; return res;
}
template<class A, class B> str ts(pair<A,B> p) {
return "("+ts(p.f)+", "+ts(p.s)+")"; }
// OUTPUT
template<class A> void pr(A x) { cout << ts(x); }
template<class H, class... T> void pr(const H& h, const T&... t) {
pr(h); pr(t...); }
void ps() { pr("\n"); } // print w/ spaces
template<class H, class... T> void ps(const H& h, const T&... t) {
pr(h); if (sizeof...(t)) pr(" "); ps(t...); }
// DEBUG
void DBG() { cerr << "]" << endl; }
template<class H, class... T> void DBG(H h, T... t) {
cerr << ts(h); if (sizeof...(t)) cerr << ", ";
DBG(t...); }
#ifdef LOCAL // compile with -DLOCAL
#define dbg(...) cerr << "LINE(" << __LINE__ << ") -> [" << #__VA_ARGS__ << "]: [", DBG(__VA_ARGS__)
#else
#define dbg(...) 0
#endif
// FILE I/O
void setIn(string s) { freopen(s.c_str(),"r",stdin); }
void setOut(string s) { freopen(s.c_str(),"w",stdout); }
void unsyncIO() { ios_base::sync_with_stdio(0); cin.tie(0); }
void setIO(string s = "") {
unsyncIO();
// cin.exceptions(cin.failbit);
// throws exception when do smth illegal
// ex. try to read letter into int
if (sz(s)) { setIn(s+".in"), setOut(s+".out"); } // for USACO
}
/**
* Description: range sum queries and point updates for $D$ dimensions
* Source: https://codeforces.com/blog/entry/64914
* Verification: SPOJ matsum
* Usage: \texttt{BIT<int,10,10>} gives 2D BIT
* Time: O((\log N)^D)
*/
template <class T, int ...Ns> struct BIT {
T val = 0; void upd(T v) { val += v; }
T query() { return val; }
};
template <class T, int N, int... Ns> struct BIT<T, N, Ns...> {
BIT<T,Ns...> bit[N+1];
template<typename... Args> void upd(int pos, Args... args) {
for (; pos<=N; pos+=pos&-pos) bit[pos].upd(args...); }
template<typename... Args> T sum(int r, Args... args) {
T res=0; for (;r;r-=r&-r) res += bit[r].query(args...);
return res; }
template<typename... Args> T query(int l, int r, Args...
args) { return sum(r,args...)-sum(l-1,args...); }
};
set<int> nonz;
BIT<ll, 100005> bit;
int C[100005];
void UPD(int T, int U){
if(nonz.count(T)) nonz.erase(T);
bit.upd(T, -C[T]);
C[T] = U;
if(C[T] != 0) nonz.ins(T);
bit.upd(T, C[T]);
}
int main() {
setIO();
int N, Q, K;
cin >> N >> Q >> K;
for(int i = 1; i <= N; i++){
int C;
cin >> C;
UPD(i, C);
}
for(int i = 1; i <= Q; i++){
int S, T, U;
cin >> S >> T >> U;
if(S == 1){
if(K == 1){
bit.upd(T, U-bit.query(T, T));
continue;
}
UPD(T, U);
}
else if(S == 2){
if(K == 1){
continue;
}
auto it = nonz.lb(T);
vpi upds;
while(it != nonz.end()){
int pos = *it;
if(pos > U) break;
upds.pb(mp(pos, C[pos]/K));
it = next(it);
}
for(auto u: upds){
UPD(u.f, u.s);
}
}
else if(S == 3){
ps(bit.query(T, U));
}
// dbg(i);
// for(int i = 1; i <= N; i++){
// dbg(bit.query(i, i));
// }
}
// you should actually read the stuff at the bottom
}
/* stuff you should look for
* int overflow, array bounds
* special cases (n=1?)
* do smth instead of nothing and stay organized
* WRITE STUFF DOWN
*/
Compilation message
sterilizing.cpp: In function 'void setIn(std::__cxx11::string)':
sterilizing.cpp:128:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
void setIn(string s) { freopen(s.c_str(),"r",stdin); }
~~~~~~~^~~~~~~~~~~~~~~~~~~~~
sterilizing.cpp: In function 'void setOut(std::__cxx11::string)':
sterilizing.cpp:129:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
void setOut(string s) { freopen(s.c_str(),"w",stdout); }
~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
11 ms |
512 KB |
Output is correct |
4 |
Correct |
23 ms |
512 KB |
Output is correct |
5 |
Correct |
22 ms |
640 KB |
Output is correct |
6 |
Correct |
16 ms |
640 KB |
Output is correct |
7 |
Correct |
20 ms |
640 KB |
Output is correct |
8 |
Correct |
20 ms |
640 KB |
Output is correct |
9 |
Correct |
26 ms |
640 KB |
Output is correct |
10 |
Correct |
20 ms |
640 KB |
Output is correct |
11 |
Correct |
19 ms |
640 KB |
Output is correct |
12 |
Correct |
23 ms |
640 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
67 ms |
4856 KB |
Output is correct |
2 |
Correct |
60 ms |
4392 KB |
Output is correct |
3 |
Correct |
66 ms |
6904 KB |
Output is correct |
4 |
Correct |
90 ms |
8600 KB |
Output is correct |
5 |
Correct |
93 ms |
9208 KB |
Output is correct |
6 |
Correct |
93 ms |
9208 KB |
Output is correct |
7 |
Correct |
92 ms |
9208 KB |
Output is correct |
8 |
Correct |
92 ms |
9208 KB |
Output is correct |
9 |
Correct |
93 ms |
9080 KB |
Output is correct |
10 |
Correct |
89 ms |
9080 KB |
Output is correct |
11 |
Correct |
103 ms |
9080 KB |
Output is correct |
12 |
Correct |
94 ms |
9080 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
21 ms |
640 KB |
Output is correct |
2 |
Correct |
25 ms |
2048 KB |
Output is correct |
3 |
Correct |
30 ms |
2176 KB |
Output is correct |
4 |
Correct |
50 ms |
1408 KB |
Output is correct |
5 |
Correct |
90 ms |
4100 KB |
Output is correct |
6 |
Correct |
87 ms |
4088 KB |
Output is correct |
7 |
Correct |
68 ms |
4984 KB |
Output is correct |
8 |
Correct |
85 ms |
4956 KB |
Output is correct |
9 |
Correct |
76 ms |
4860 KB |
Output is correct |
10 |
Correct |
75 ms |
5340 KB |
Output is correct |
11 |
Correct |
75 ms |
4852 KB |
Output is correct |
12 |
Correct |
74 ms |
5340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
332 ms |
4136 KB |
Output is correct |
2 |
Correct |
302 ms |
4156 KB |
Output is correct |
3 |
Correct |
670 ms |
3824 KB |
Output is correct |
4 |
Correct |
375 ms |
2732 KB |
Output is correct |
5 |
Correct |
565 ms |
7164 KB |
Output is correct |
6 |
Correct |
713 ms |
7164 KB |
Output is correct |
7 |
Correct |
531 ms |
7872 KB |
Output is correct |
8 |
Correct |
1014 ms |
8028 KB |
Output is correct |
9 |
Correct |
885 ms |
8128 KB |
Output is correct |
10 |
Correct |
1076 ms |
8152 KB |
Output is correct |
11 |
Correct |
632 ms |
8252 KB |
Output is correct |
12 |
Correct |
1688 ms |
8244 KB |
Output is correct |