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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#393433 | #7785. Three Rectangles | nathan4690 | WA | 1ms | 3892kb | C++17 | 5.8kb | 2024-04-18 16:33:11 | 2024-04-18 16:33:11 |
Judging History
answer
#include <bits/stdc++.h>
#define ll long long
#define el cout << '\n'
#define f1(i,n) for(ll i=1;i<=n;i++)
#define __file_name ""
using namespace std;
const ll maxn = 1e6+5, inf=1e18, mod = 1e9+7;
ll t,h,w;
struct Rect{
ll ux, dx, uy, dy;
Rect(){}
Rect(ll v1, ll v2, ll v3, ll v4) {
dx = v1;
dy = v2; ux = v3; uy = v4;
}
};
Rect make_rect(ll cx, ll cy, ll width, ll height){
ll c2x = width + cx - 1, c2y = height + cy - 1;
if(c2x > h){
c2x -= width-1;
cx -= width-1;
}
if(c2y > w){
c2y -= height-1;
cy -= height-1;
}
// cout << cx << ' ' << cy << ' ' << c2x << ' ' << c2y << ' ' << width << ' ' << height;el;
return Rect(cx, cy, c2x, c2y);
}
bool inRect(pair<ll,ll> ptr, Rect x){
return (x.dx <= ptr.first && ptr.first <= x.ux && x.dy <= ptr.second && ptr.second <= x.uy);
}
ll powmod(ll base, ll exp){
if(exp == 0) return 1ll;
if(exp == 1) return base % mod;
ll v = powmod(base, exp/2);
if(exp % 2) return ((v*v) % mod * base) % mod;
else return (v*v) % mod;
}
pair<ll,ll> di[10];
ll chw, ch,cw;
void solve1(){
// co hxw
sort(di+1,di+4);
ll cnt1 = (h - di[1].first + 1) * (w - di[1].second + 1);
ll cnt2 = (h - di[2].first + 1) * (w - di[2].second + 1);
cnt1 %= mod;
cnt2 %= mod;
cout << (cnt1 * cnt2) % mod;el;
}
void solve2(){
// co h
sort(di+1, di+4);
ll res = 0,ext=0;
if(di[1].first == h){
/*
ll cnt = (h - di[1].first + 1) * (w - di[1].second + 1);
f1(i,3){
ll cnt = max(0ll,h - di[i].first + 1) * max(0ll, w - di[i].second - 1); cnt %= mod;
res += cnt;
}
if(h == 1) res += 6;
else{
res += 6;
}
*/
f1(i,3) f1(j,3){
if(i == j) continue;
ll k = 6 - i - j;
if(di[i].second + di[j].second >= w){
ext += 2;
res += max(0ll,h - di[k].first + 1) * max(0ll, w - di[k].second - 1);
}else{
if(di[i].second + di[j].second + di[k].second < w) continue;
ll lb = max(w-di[i].second, di[k].second),ub = min(w, di[j].second + di[k].second);
if(lb == di[k].second) {res--;ext++;}
if(ub == w) {res--;ext++;}
res += ub - lb + 1;
}
}
// cout << ' ' << ext;el;
res += ext/2;
res %= mod;
}else{
ll cnt = (h - di[1].first + 1) * (w - di[1].second + 1);
res = 2*cnt % mod;
if(di[2].second + di[3].second < w) res = 0;
}
// cnt %= mod;
cout << res%mod;el;
}
bool cmp1(pair<ll,ll> x, pair<ll,ll> y){
return x.second < y.second;
}
void solve3(){
// co w
sort(di+1, di+4, cmp1);
ll res = 0,ext=0;
if(cw == 2){
ll cnt = (h - di[1].first + 1) * (w - di[1].second + 1);
cnt %= mod;
if(di[2].first + di[3].first < h) cnt = 0;
cout << (2*cnt)%mod;el;
}else{
/*
f1(i,3){
ll cnt = max(0ll,h - di[i].first - 1) * max(0ll, w - di[i].second + 1); cnt %= mod;
res += cnt;
}
if(w == 1) res += 1;
else{
res += 6;
}
*/
f1(i,3) f1(j,3){
if(i == j) continue;
ll k = 6 - i - j;
if(di[i].first + di[j].first >= h){
ext += 2;
res += max(0ll,h - di[i].first - 1) * max(0ll, w - di[i].second + 1);
}else{
if(di[i].first + di[j].first + di[k].first < h) continue;
ll lb = max(h-di[i].first, di[k].first),ub = min(h, di[j].first + di[k].first);
if(lb == di[k].first) {
res--;ext++;
}
if(ub == h) {res--;ext++;}
res += ub - lb + 1;
// cout << ub << ' ' << lb;el;
}
}
res += ext/2;
res %= mod;
cout << res;el;
}
}
void solve4(){
ll ans = 0;
Rect r1,r2,r3;
vector<vector<ll>> all = {{0,0}, {1,1}, {1,w},{h,1}, {h,w}};
f1(i,4) f1(j,4) f1(k,4){
// if(i == j || j == k || i == k) continue;
r1 = make_rect(all[i][0], all[i][1],di[1].first ,di[1].second);
r2 = make_rect(all[j][0], all[j][1],di[2].first ,di[2].second);
r3 = make_rect(all[k][0], all[k][1],di[3].first ,di[3].second);
bool flag = true;
f1(l,4){
pair<ll,ll> pp = make_pair(all[l][0], all[l][1]);
flag &= (inRect(pp, r1) || inRect(pp,r2) || inRect(pp,r3));
}
if(flag) {
// cout << i << ' ' << j << ' ' << k;el;
ans++;
}
}
if(ch == 1) ans /= 2;
if(cw == 1) ans /= 2;
cout << ans;el;
}
int main(){
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
if(fopen(__file_name ".inp", "r")){
freopen(__file_name ".inp","r",stdin);
freopen(__file_name ".out","w",stdout);
}
// code here
cin >> t;
f1(_,t){
cin >> h >> w;
chw = 0; ch = 0; cw = 0;
f1(i,3) {
cin >> di[i].first >> di[i].second;
if(di[i].first == h){
ch++;
if(di[i].second == w) chw++;
}
cw += (di[i].second == w);
}
if(_ > 15){
cout << h << ' ' << w;el;
f1(i,3) cout << di[i].first << ' ' << di[i].second << '\n';
}
if(chw){
solve1();
}else if(ch >= 2) solve2();
else if(cw >= 2) solve3();
else solve4();
}
return 0;
}
/*
Code by: Nguyen Viet Trung Nhan
Cau Giay Secondary School
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3656kb
input:
5 2 2 1 1 1 1 1 1 2 2 1 1 1 2 1 2 2 2 1 1 1 2 2 1 2 2 1 2 1 2 1 2 2 2 1 2 1 2 2 1
output:
0 8 4 6 4
result:
ok 5 number(s): "0 8 4 6 4"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3892kb
input:
4 1 3 1 1 1 2 1 3 1 4 1 1 1 2 1 3 1 5 1 1 1 2 1 3 1 6 1 1 1 2 1 3
output:
6 12 14 6
result:
ok 4 number(s): "6 12 14 6"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3592kb
input:
1 1000000000 1000000000 1 1 1 1 1000000000 1000000000
output:
2401
result:
ok 1 number(s): "2401"
Test #4:
score: -100
Wrong Answer
time: 1ms
memory: 3656kb
input:
729 999999999 111111111 111111111 111111111 111111111 111111111 111111111 111111111 999999999 111111111 111111111 111111111 222222222 111111111 111111111 111111111 999999999 111111111 111111111 111111111 111111111 111111111 333333333 111111111 999999999 111111111 111111111 111111111 444444444 111111...
output:
0 0 0 0 0 0 6 777777753 456790164 0 0 0 0 0 6 999999999 111111111 777777777 111111111 111111111 111111111 222222222 111111111 444444438 999999999 111111111 888888888 111111111 222222222 111111111 111111111 111111111 111111095 111111111 999999999 111111111 222222222 111111111 111111111 111111111 9999...
result:
wrong answer 16th numbers differ - expected: '222222208', found: '999999999'