#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define REP(a,b,c) for(int a=int(b); a!=int(c); a++)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define RE(a,b) REP(a,0,b)
#define RE1(a,b) REP(a,1,b+1)
#define REI(a,b,c) REP(a,b,c+1)
#define FOR(a,b) for(auto& a : b)
#define all(a) a.begin(), a.end()
#define pb push_back
#define sz size()
#define fi first
#define se second
typedef long long ll;
typedef pair<int,int> ii;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
template<class T> void IN(T& a) {cin>>a;}
template<class T, class... L> void IN(T& a, L&... b) {IN(a); IN(b...);}
template<class T> void OUT(const T& a) {cout<<a;}
template<class T, class... L> void OUT(const T& a, const L&... b) {OUT(a); OUT(b...);}
template<class... T> void OUTL(const T&... a) {OUT(a..., '\n');}
const int MX = 5e6+1e5;
int w, h, n, w1, N;
ll x[MX], y[MX], a[MX], b[MX];
ll c[MX], d[MX], e[MX], g[MX], v[MX], temp[MX];
bool firstTime = 1;
inline int f(int i, int j) {return i+j*w1;}
void rotate() {
// [x,y] => [h-1-y,x]
RE(i,n) {
y[i] = h-1-y[i];
swap(x[i], y[i]);
}
int h1=h+1;
RE(i,w) {
int idx1 = h + i*h1;
int idx2 = i;
RE(j,h) {
idx1--;
temp[idx1] = v[idx2];
idx2 += w1;
}
}
swap(w,h);
w1 = h1;
RE(i,N) v[i] = temp[i];
}
inline void addArea(int bx, int by, int ex, int ey, ll val) {
bx = max(0,bx);
by = max(0,by);
ex = min((int)w,ex+1);
ey = min((int)h,ey+1);
if(bx > ex) return;
if(by > ey) return;
c[f(bx,by)] += val;
c[f(ex,by)] -= val;
c[f(bx,ey)] -= val;
c[f(ex,ey)] += val;
}
inline void add(int x, int y, ll del) {
if(x >= w || y >= h) return;
if(x < 0 && y < 0) {
int add = min(-x, -y);
x += add;
y += add;
c[0] += del*add;
}
if(x < 0) {
g[f(0,y)] += del;
g[f(0,y-x)] -= del;
y -= x;
x = 0;
}
if(y < 0) {
d[f(x,0)] += del;
d[f(x-y,0)] -= del;
x -= y;
y = 0;
}
e[f(x,y)] += del;
}
void solve() {
RE(i,N) c[i]=d[i]=e[i]=g[i]=0;
RE(i,n) {
ll r = (a[i]-1)/b[i];
add(x[i]-r, y[i]-r, b[i]);
add(x[i]+r+1, y[i]+r+1, -b[i]);
addArea(x[i]+r+1,y[i]+r+1,w,h,-ll(r+r+1)*b[i]);
addArea(x[i]-r,y[i]+r+1,x[i]+r,h,-ll(r+r+2)*b[i]);
if(firstTime)
addArea(x[i]-r, y[i]-r, x[i]+r, y[i]+r, a[i]+a[i] -ll(r*4+4)*b[i]);
}
RE(i,w) RE(j,h) {
int idx = f(i,j);
int idxl = idx-1;
int idxu = idx-w1;
int idxul = idxu-1;
d[idx] += (i ? d[idxl] : 0ll);
g[idx] += (j ? g[idxu] : 0ll);
e[idx] += (i&&j ? e[idxul] : 0ll);
c[idx] += d[idx]+e[idx]+g[idx];
if(i) c[idx] += c[idxl];
if(j) c[idx] += c[idxu];
if(i&&j) c[idx] -= c[idxul];
v[idx] += c[idx];
}
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
// input
IN(w,h,n); w1 = w+1;
N = (w+1)*(h+1);
RE(i,n) IN(x[i],y[i],a[i],b[i]), x[i]--, y[i]--;
RE(i,4) {
solve();
rotate();
firstTime = 0;
}
RE(i,N) v[i] >>= 1;
// create sums
REV(i,0,N) v[i+1+w1] = v[i], v[i]=0;
RE(i,w) RE(j,h) v[f(i+1,j+1)] += v[f(i,j+1)]+v[f(i+1,j)]-v[f(i,j)];
// anser queries
int q;
IN(q);
while(q--) {
int x1, x2, y1, y2;
IN(x1,y1,x2,y2); x1--; y1--;
int area = abs(x2-x1)*abs(y2-y1);
y1 *= w1; y2 *= w1;
ll sm = v[x2+y2] - v[x1+y2] - v[x2+y1] + v[x1+y1];
OUTL((sm+area/2)/area);
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
324 ms |
236024 KB |
Output is correct |
| 2 |
Correct |
88 ms |
2808 KB |
Output is correct |
| 3 |
Correct |
70 ms |
2424 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
317 ms |
236024 KB |
Output is correct |
| 2 |
Correct |
76 ms |
2808 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
807 ms |
118136 KB |
Output is correct |
| 2 |
Correct |
85 ms |
2784 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
688 ms |
123800 KB |
Output is correct |
| 2 |
Correct |
88 ms |
2808 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
410 ms |
238200 KB |
Output is correct |
| 2 |
Correct |
79 ms |
3184 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
276 ms |
104632 KB |
Output is correct |
| 2 |
Correct |
77 ms |
2808 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
892 ms |
120536 KB |
Output is correct |
| 2 |
Correct |
76 ms |
3064 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
232 ms |
77304 KB |
Output is correct |
| 2 |
Correct |
87 ms |
2808 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
597 ms |
244728 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
585 ms |
244728 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1059 ms |
125680 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1061 ms |
124792 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
794 ms |
127480 KB |
Output is correct |
| 2 |
Correct |
791 ms |
127084 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1022 ms |
126840 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
