QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#393445#7785. Three Rectanglesnathan4690WA 5ms3900kbC++176.0kb2024-04-18 16:46:152024-04-18 16:46:16

Judging History

你现在查看的是最新测评结果

  • [2024-04-18 16:46:16]
  • 评测
  • 测评结果:WA
  • 用时:5ms
  • 内存:3900kb
  • [2024-04-18 16:46:15]
  • 提交

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;
                // cout << "! " << di[i].first << ' ' << di[j].first << ' ' << res << ' ';
                res += max(0ll,h - di[k].first - 1) * max(0ll, w - di[k].second + 1);
                // cout << res << ' ';el;
            }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 << di[i].first << ' ' << di[j].first << ' ' << 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: 3812kb

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: 3684kb

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: 3652kb

input:

1
1000000000 1000000000
1 1
1 1
1000000000 1000000000

output:

2401

result:

ok 1 number(s): "2401"

Test #4:

score: 0
Accepted
time: 1ms
memory: 3900kb

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
222222208
555555531
135802502
0
0
0
0
6
222222208
222222208
333333309
814814847
0
0
0
6
222222208
222222208
222222208
111111087
493827185
0
0
6
222222208
222222208
222222208
222222208
888888872
172839523
0
6
222222208
222222208
222222208
222222208
222222...

result:

ok 729 numbers

Test #5:

score: -100
Wrong Answer
time: 5ms
memory: 3660kb

input:

5832
999999999 222222222
111111111 111111111
111111111 111111111
111111111 111111111
222222222 999999999
111111111 111111111
111111111 111111111
111111111 222222222
222222222 999999999
111111111 111111111
111111111 111111111
111111111 333333333
999999999 222222222
111111111 111111111
111111111 11111...

output:

0
0
0
0
0
0
0
0
4
4
4
4
4
4
4
4
4
413046795
0
0
0
0
0
0
0
0
4
4
4
4
4
4
4
4
4
989330902
0
0
0
0
0
0
0
0
4
4
4
4
4
4
4
4
4
565615002
0
0
0
0
0
0
0
0
4
4
4
4
4
4
4
4
4
141899102
0
0
0
0
0
0
0
0
4
4
4
4
4
4
4
4
4
718183209
0
0
0
0
0
0
0
0
4
4
4
4
4
4
4
4
4
294467309
0
0
0
0
0
0
0
0
4
4
4
4
4
4
4
4
4
87...

result:

wrong answer 9th numbers differ - expected: '0', found: '4'