#include<bits/stdc++.h>
using namespace std;
//#include<ext/pb_ds/assoc_container.hpp>
//#include<ext/pb_ds/tree_policy.hpp>
//
// #pragma GCC optimize("unroll-loops")
// #pragma GCC optimize("Ofast")
// #pragma GCC optimize("-O3")
// #pragma GCC optimize("no-stack-protector")
// #pragma GCC optimize("fast-math")
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")
//#define LOCAL
#define sim template < class c
#define ris return * this
#define dor > debug & operator <<
#define eni(x) sim > typename \
enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) {
sim > struct rge { c b, e; };
sim > rge<c> range(c i, c j) { return rge<c>{i, j}; }
sim > auto dud(c* x) -> decltype(cerr << *x, 0);
sim > char dud(...);
struct debug {
#ifndef LOCAL
~debug() { cerr << endl; }
eni(!=) cerr << boolalpha << i; ris; }
eni(==) ris << range(begin(i), end(i)); }
sim, class b dor(pair < b, c > d) {
ris << "(" << d.first << ", " << d.second << ")";
}
sim dor(rge<c> d) {
*this << "[";
for (auto it = d.b; it != d.e; ++it)
*this << ", " + 2 * (it == d.b) << *it;
ris << "]";
}
#else
sim dor(const c&) { ris; }
#endif
};
#define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
#define fi first
#define f first
#define se second
#define s second
#define vi_a vector<int>a;
#define p_b push_back
////////////////////////////////???????????????CHECK THIS OUT???????????????//////////////////////////////
#define ll long long
typedef unsigned long long ull;
////////////////////////////////???????????????CHECK THIS OUT???????????????//////////////////////////////
#define ld long double
#define pll pair<ll,ll>
#define pii pair<int,int>
#define m_p make_pair
#define fast_io cin.tie(0);cout.tie(0);ios_base::sync_with_stdio(0);
#define all(x) x.begin(),x.end()
#define getfiles ifstream cin("input.txt");ofstream cout("output.txt");
#define pw(x) (1ll << x)
#define sz(x) (int)x.size()
#define endl "\n"
#define rall(x) x.rbegin(),x.rend()
#define len(a) (ll)a.size()
#define rep(x,l,r) for(ll x=l;x<r;x++)
//using namespace __gnu_pbds;
ld eps = (ld)1 / 1e6;
const ld pi=3.14159265359;
ll inf = 1e18,mod1=1e9+7;
ll sqr(ll a) { return a * a; }
ll qb(ll a) { return a * a * a; }
void umin(int &a,int b){a=min(a,b);}
bool is_prime(ll val){for(ll i=2;i<=sqrt(val);i++)if(val%i==0)return 0; return 1;}
ll gcd(ll a, ll b) { return !a ? b : gcd(b % a, a); }
ll binpow(ll a, ll b, ll mod) { return b ? (b % 2 ? (a * (sqr(binpow(a, b / 2, mod)) % mod)) % mod : sqr(binpow(a, b / 2, mod)) % mod) : 1; }
ll binmult(ll a, ll b, ll mod) { return b ? (b % 2 ? (2 * binmult(a, b / 2, mod) + a) % mod : (2 * binmult(a, b / 2, mod)) % mod) : 0; }
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
const ll tx[4]={0,1,-1,1};
const ll ty[4]={-1,0,1,1};
const char rev_to[4]={'E','W','N','S'};
int M=1e9;
const int N=1e5+2;
const int pp=73;
const int lg=19;
const int OPEN=1;
const int CLOSE=0;
//typedef tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update> st;
auto rnd=bind(uniform_int_distribution<ll>(1,N),mt19937(time(0)));
void bad(){
cout<<"NE";
exit(0);
}
struct stuff{
int l,r,dmg;
stuff(int _l,int _r,int _dmg): l(_l),r(_r),dmg(_dmg) {}
};
struct fak{
int x,type,ind;
const bool operator <(const fak &other) const{
return (other.x==x ? (type==other.type ? ind<other.ind : type<other.type) : x<other.x);
}
};
fak ps[N];
vector<stuff>lol;
bool used[N];
bool cmp(const pair<int,stuff> &f,const pair<int,stuff> &s) {return f.f<s.f;}
signed main()
{
// freopen("in.txt","r",stdin);
fast_io;
int n,m;
cin>>n>>m;
int q;
cin>>q;
int x,y,r;
vector<pair<int,stuff>>scan;
stuff nw(0,0,0);
for(int i=0;i<q;i++){
cin>>x>>y>>r;--x;--y;
ps[i+1].x=x;ps[i+1].type=y;ps[i+1].ind=r;
nw.l=x;nw.r=x;nw.dmg=i+1;
scan.p_b({y-r,nw});
}
sort(all(scan),cmp);int j=0;
ll ans=1ll*q*n*m;
vector<fak>st;
set<int>pon;pon.insert(0);
for(int i=0;i<m;i++){
while(j<sz(scan) && scan[j].f==i)lol.p_b(scan[j].s),j++;
int jj=0;
for(auto &z : lol){
x=ps[z.dmg].x,y=ps[z.dmg].type,r=ps[z.dmg].ind;
if(i-y>r){jj++;continue;}
while(1ll*(z.l-x)*(z.l-x)+1ll*(i-y)*(i-y)>1ll*r*r) z.l++;
while(1ll*(z.l-x-1)*(z.l-x-1)+1ll*(i-y)*(i-y)<=r*r*1ll) z.l--;
while(1ll*(z.r-x)*(z.r-x)+1ll*(i-y)*(i-y)>1ll*r*r) z.r--;
while(1ll*(z.r-x+1)*(z.r-x+1)+1ll*(i-y)*(i-y)<=1ll*r*r) z.r++;
st.p_b({z.l,OPEN,jj});
st.p_b({z.r+1,CLOSE,jj});
jj++;
}
if(!sz(st)) continue;
sort(all(st));
int prev=(sz(st) ? st.begin()->x : 0);
ll ss=0;
for(auto &z : st){
ss+=*pon.rbegin()*1ll*(z.x-prev);
if(z.type==CLOSE)pon.erase(lol[z.ind].dmg);
else {
pon.insert(lol[z.ind].dmg);
}
prev=z.x;
}
st.clear();
ans-=ss;
}
cout<<ans;
return 0;
}
/*
3 3 1 0 3 3
3 1 0 0 0 3
1 1 1 0 1 3
3 1 1 1 2 2
3 3 1 2 2 3
3 3 3 2 3 3
*/
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
Output is correct |
| 2 |
Correct |
13 ms |
384 KB |
Output is correct |
| 3 |
Correct |
8 ms |
384 KB |
Output is correct |
| 4 |
Correct |
58 ms |
384 KB |
Output is correct |
| 5 |
Correct |
40 ms |
384 KB |
Output is correct |
| 6 |
Correct |
400 ms |
536 KB |
Output is correct |
| 7 |
Correct |
121 ms |
396 KB |
Output is correct |
| 8 |
Correct |
687 ms |
408 KB |
Output is correct |
| 9 |
Correct |
222 ms |
504 KB |
Output is correct |
| 10 |
Correct |
948 ms |
404 KB |
Output is correct |
