QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#217707 | #6755. 方格染色 | Starrykiller | 100 ✓ | 134ms | 21540kb | C++23 | 4.5kb | 2023-10-17 10:49:58 | 2023-10-17 10:49:58 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
constexpr int MAXN=1e6+10;
struct query {
int x, y1, y2, k;
bool operator< (const query& rhs) const {
return x<rhs.x||(x==rhs.x&&k<rhs.k);
}
} a[MAXN];
struct slash {
int x1, y1, x2, y2;
} s[MAXN]; int stot;
struct point {
int x, y;
bool operator== (const point& rhs) const {
return x==rhs.x&&y==rhs.y;
}
bool operator< (const point& rhs) const {
return x==rhs.x?y<rhs.y:x<rhs.x;
}
};
struct hori {
int y, x1, x2;
bool intersect(const slash& s) const {
int r=y+s.x1-s.y1;
// cout<<"Horizon "<<y<<'\n';
// cout<<r<<' '<<x1<<' '<<x2<<'\n';
return x1<=r && r<=x2 && s.x1<=r && r<=s.x2;
}
point cord(const slash& s) {
return {y+s.x1-s.y1, y};
}
} hor[MAXN]; int htot;
struct vert {
int x, y1, y2;
bool intersect(const slash& s) const {
int r=x+s.y1-s.x1;
// cout<<"Vertical "<<x<<'\n';
// cout<<r<<' '<<y1<<' '<<y2<<'\n';
return y1<=r && r<=y2 && s.y1<=r && r<=s.y2;
}
point cord(const slash& s) {
return {x, x+s.y1-s.x1};
}
} ver[MAXN]; int vtot;
int raw[MAXN], tot;
int id, n, m, q; ll ans;
struct {
#define ls(p) (p<<1)
#define rs(p) (p<<1|1)
#define ll(p) tr[p].l
#define rr(p) tr[p].r
#define len(p) tr[p].len
#define cnt(p) tr[p].cnt
struct node {
int l, r, len, cnt;
} tr[MAXN<<2];
void build(int l, int r, int p=1) {
ll(p)=l, rr(p)=r; len(p)=cnt(p)=0;
if (l==r) return;
int mid=(l+r)>>1; build(l,mid,ls(p)); build(mid+1,r,rs(p));
}
void change(int l, int r, int c, int p=1) {
int cl=ll(p), cr=rr(p);
if (l<=cl && cr<=r) {
cnt(p)+=c;
if (cnt(p))
len(p)=(raw[cr+1]-raw[cl]);
else
len(p)=cl==cr?0:len(ls(p))+len(rs(p));
return;
}
int mid=(cl+cr)>>1;
if (l<=mid) change(l,r,c,ls(p));
if (r>mid) change(l,r,c,rs(p));
if (cnt(p))
len(p)=raw[cr+1]-raw[cl];
else
len(p)=len(ls(p))+len(rs(p));
}
int get() {
return tr[1].len;
}
} sg;
int query(int x) {
return lower_bound(raw+1,raw+1+tot,x)-raw;
}
signed main() {
ios::sync_with_stdio(false);
cin>>id>>n>>m>>q;
int op, x1, y1, x2, y2;
for (int i=1; i<=q; ++i) {
cin>>op>>x1>>y1>>x2>>y2;
if (op<=2) {
raw[++tot]=y1; a[tot]={x1,y1,y2+1,1};
raw[++tot]=y2+1; a[tot]={x2+1,y1,y2+1,-1};
if (op==1) hor[++htot]={y1,x1,x2};
else ver[++vtot]={x1,y1,y2};
}
else {
s[++stot]={x1,y1,x2,y2};
// ans+=x2-x1+1;
}
}
sort(a+1,a+1+tot); sort(raw+1,raw+1+tot); n=tot;
tot=unique(raw+1,raw+1+tot)-(raw+1);
if (n>1) {
sg.build(1,tot-1);
for (int i=1; i<n; ++i) {
int x=a[i].x,
y1=query(a[i].y1), y2=query(a[i].y2)-1,
c=a[i].k;
sg.change(y1,y2,c);
ans+=(a[i+1].x-a[i].x)*sg.get();
}
}
for (int i=1; i<1<<stot; ++i) {
int b=-(1<<30), l, r;
int cur=-1;
bool flag=true;
for (int j=0; j<stot; ++j) {
if ((i>>j)&1) {
// 抽到了第 j+1 根斜线
if (b==(-(1<<30))) {
b=s[j+1].y1-s[j+1].x1;
l=s[j+1].x1, r=s[j+1].x2;
cur*=-1;
}
else {
cur*=-1;
if (s[j+1].y1-s[j+1].x1!=b) {
flag=false; break;
}
else {
r=min(r,s[j+1].x2);
l=max(l,s[j+1].x1);
}
}
}
}
if (flag) {
ans+=cur*(r-l+1);
}
}
set<point> st;
for (int i=1; i<=stot; ++i) {
for (int j=1; j<=htot; ++j)
if (hor[j].intersect(s[i]))
st.insert(hor[j].cord(s[i]));
for (int j=1; j<=vtot; ++j)
if (ver[j].intersect(s[i]))
st.insert(ver[j].cord(s[i]));
}
// for (auto i: st) {
// cout<<i.x<<' '<<i.y<<'\n';
// }
ans-=st.size();
cout<<ans<<'\n';
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 5
Accepted
time: 1ms
memory: 7940kb
input:
1 300 300 300 2 3 211 3 214 2 55 69 55 110 2 41 231 41 243 2 205 220 205 250 2 157 229 157 252 1 176 78 183 78 2 3 94 3 106 1 9 35 9 35 2 47 290 47 297 1 278 93 288 93 2 41 236 41 236 1 194 60 252 60 2 193 188 193 212 2 3 223 3 230 1 79 13 109 13 1 44 34 180 34 2 195 219 195 227 1 118 26 157 26 1 6 ...
output:
6278
result:
ok 1 number(s): "6278"
Test #2:
score: 5
Accepted
time: 0ms
memory: 7744kb
input:
2 300 300 300 2 85 246 85 256 2 65 278 65 296 2 162 161 162 163 2 55 17 55 25 2 100 33 100 35 1 15 190 43 190 2 85 166 85 173 1 39 15 48 15 2 252 1 252 5 1 244 88 250 88 2 162 212 162 213 1 17 187 32 187 2 17 23 17 23 2 85 104 85 113 1 21 297 84 297 1 42 21 77 21 2 202 31 202 56 1 216 211 267 211 1 ...
output:
6200
result:
ok 1 number(s): "6200"
Test #3:
score: 5
Accepted
time: 1ms
memory: 7748kb
input:
3 300 300 300 2 116 224 116 238 2 46 87 46 92 2 28 22 28 31 2 283 56 283 131 2 39 242 39 272 1 231 61 264 61 2 116 69 116 86 1 225 60 281 60 2 189 39 189 160 1 24 298 56 298 2 28 159 28 167 1 246 160 285 160 2 177 93 177 120 2 116 168 116 168 1 281 290 283 290 1 277 136 277 136 2 289 268 289 282 1 1...
output:
6639
result:
ok 1 number(s): "6639"
Test #4:
score: 5
Accepted
time: 1ms
memory: 7716kb
input:
4 300 300 300 2 106 122 106 127 2 11 115 11 136 2 73 109 73 139 2 172 52 172 123 2 265 205 265 242 1 120 292 120 292 2 106 97 106 104 1 60 279 133 279 2 233 51 233 65 1 21 198 24 198 2 73 273 73 281 1 64 159 85 159 2 50 54 50 197 2 106 160 106 168 1 248 54 252 54 1 53 59 61 59 2 131 80 131 80 1 55 2...
output:
7078
result:
ok 1 number(s): "7078"
Test #5:
score: 5
Accepted
time: 1ms
memory: 7716kb
input:
5 300 300 300 2 287 265 287 265 2 111 270 111 297 2 157 17 157 58 2 277 275 277 298 2 15 211 15 211 1 14 30 63 30 2 287 84 287 156 1 253 35 295 35 2 20 190 20 194 1 286 33 286 33 2 157 96 157 98 1 91 39 163 39 2 250 8 250 155 2 287 11 287 11 1 300 251 300 251 1 2 17 25 17 2 277 265 277 298 1 29 220 ...
output:
7125
result:
ok 1 number(s): "7125"
Test #6:
score: 5
Accepted
time: 2ms
memory: 7976kb
input:
6 100000 100000 2000 1 18077 90844 29870 90844 1 15898 25209 29023 25209 2 44675 61077 44675 61413 1 99173 18081 99624 18081 2 14413 11091 14413 11125 1 99340 26474 99814 26474 2 96947 75112 96947 80888 2 66129 52517 66129 54954 1 93237 26027 98206 26027 2 78129 62643 78129 85005 1 58541 25209 58885...
output:
9811536
result:
ok 1 number(s): "9811536"
Test #7:
score: 5
Accepted
time: 2ms
memory: 8012kb
input:
7 100000 100000 2000 1 34031 33382 34054 33382 1 99015 33804 99864 33804 2 34512 3505 34512 4898 1 55048 84217 56238 84217 2 38112 40398 38112 42615 1 50442 65899 51889 65899 2 88157 62617 88157 86041 2 60447 86164 60447 92917 1 65226 27267 76959 27267 2 14212 5626 14212 15791 1 8592 33804 10140 338...
output:
10053021
result:
ok 1 number(s): "10053021"
Test #8:
score: 5
Accepted
time: 2ms
memory: 7816kb
input:
8 100000 100000 2000 1 98275 10296 99977 10296 1 73858 63081 78509 63081 2 13466 55377 13466 56714 1 6243 488 9927 488 2 17152 2176 17152 2450 1 54764 65968 58926 65968 2 44370 73685 44370 75926 2 67096 21518 67096 39914 1 451 9553 481 9553 2 68472 48718 68472 62445 1 4999 63081 8847 63081 2 19270 4...
output:
10332321
result:
ok 1 number(s): "10332321"
Test #9:
score: 5
Accepted
time: 3ms
memory: 8012kb
input:
9 100000 100000 2000 1 23317 23871 31852 23871 1 53872 67865 56553 67865 2 72463 7396 72463 8278 1 1541 6200 3500 6200 2 70353 66810 70353 67517 1 13712 70706 14713 70706 2 61832 48509 61832 67304 2 15946 75070 15946 88595 1 12825 45666 19060 45666 2 69012 9660 69012 11970 1 69321 67865 69955 67865 ...
output:
9979747
result:
ok 1 number(s): "9979747"
Test #10:
score: 5
Accepted
time: 73ms
memory: 14776kb
input:
10 100000 100000 100000 1 61835 40902 62028 40902 1 64668 87940 90795 87940 1 61451 55355 61721 55355 1 98743 90394 98811 90394 1 93456 95437 93715 95437 1 178 96457 37434 96457 1 93457 73049 93641 73049 1 19855 25199 20057 25199 1 30835 55620 49371 55620 1 870 22188 35965 22188 1 89651 53076 93078 ...
output:
376451109
result:
ok 1 number(s): "376451109"
Test #11:
score: 5
Accepted
time: 77ms
memory: 14904kb
input:
11 100000 100000 100000 1 93433 32681 94198 32681 1 2415 85702 10653 85702 1 8749 5532 8752 5532 1 4176 3468 7801 3468 1 65135 97514 70898 97514 1 1346 69975 2218 69975 1 7238 53922 7339 53922 1 6680 21587 14606 21587 1 9177 40049 75470 40049 1 2212 26058 49400 26058 1 35015 27905 44587 27905 1 6151...
output:
378527694
result:
ok 1 number(s): "378527694"
Test #12:
score: 5
Accepted
time: 74ms
memory: 19632kb
input:
12 100000 100000 100000 1 644 10293 1177 10293 1 21231 74542 39652 74542 1 43086 28517 43600 28517 1 26256 93913 30489 93913 1 96516 44567 99105 44567 1 61061 42889 82165 42889 1 99983 5181 99987 5181 1 34354 47611 35329 47611 1 9509 65384 12488 65384 1 4173 11791 41138 11791 1 56669 47644 65359 476...
output:
374249547
result:
ok 1 number(s): "374249547"
Test #13:
score: 5
Accepted
time: 69ms
memory: 17704kb
input:
13 100000 100000 100000 1 25010 45828 33332 45828 1 51296 68890 72169 68890 1 78689 23687 78701 23687 1 95867 9382 97806 9382 1 55509 23786 99806 23786 1 40260 60931 44183 60931 1 22221 30731 22226 30731 1 76059 58981 76830 58981 1 7920 60112 15752 60112 1 44688 44084 73628 44084 1 11777 79268 17075...
output:
383211528
result:
ok 1 number(s): "383211528"
Test #14:
score: 5
Accepted
time: 110ms
memory: 17388kb
input:
14 100000 100000 100000 2 80885 49245 80885 49283 2 11220 64102 11220 65000 1 92473 13377 99579 13377 2 80885 86626 80885 86820 2 21118 1259 21118 11985 2 42237 62778 42237 69888 1 97222 79184 98758 79184 2 44599 63597 44599 63713 2 79040 95387 79040 96667 2 69913 88035 69913 88669 2 45307 2924 4530...
output:
381101960
result:
ok 1 number(s): "381101960"
Test #15:
score: 5
Accepted
time: 109ms
memory: 17768kb
input:
15 100000 100000 100000 2 91764 54353 91764 54520 2 28652 49170 28652 49615 1 9331 16798 11503 16798 2 91764 79993 91764 81072 2 84153 26433 84153 32088 2 75533 55981 75533 56009 1 37815 31743 39093 31743 2 6745 3757 6745 3760 2 63642 6258 63642 22771 2 55482 37341 55482 37878 2 81074 74483 81074 88...
output:
382632220
result:
ok 1 number(s): "382632220"
Test #16:
score: 5
Accepted
time: 110ms
memory: 16048kb
input:
16 100000 100000 100000 2 66828 6630 66828 7506 2 62880 34446 62880 43261 1 47672 55311 60293 55311 2 66828 76715 66828 76935 2 363 3447 363 68149 2 63886 41674 63886 55533 1 22133 90250 22411 90250 2 73144 82613 73144 82629 2 29932 19382 29932 22540 2 1995 82720 1995 83239 2 45497 7470 45497 10822 ...
output:
380367856
result:
ok 1 number(s): "380367856"
Test #17:
score: 5
Accepted
time: 104ms
memory: 20892kb
input:
17 100000 100000 100000 2 77793 41255 77793 41333 2 5747 28352 5747 35492 1 14185 60840 15523 60840 2 77793 13667 77793 13709 2 29577 61040 29577 86816 2 65419 21908 65419 21909 1 4053 40767 5023 40767 2 5799 75974 5799 75989 2 56279 2793 56279 5116 2 88847 42645 88847 42947 2 26816 5454 26816 29322...
output:
377356031
result:
ok 1 number(s): "377356031"
Test #18:
score: 5
Accepted
time: 108ms
memory: 21540kb
input:
18 100000 100000 100000 2 1268 88808 1268 88885 2 57502 2110 57502 4367 1 41290 26515 47069 26515 2 1268 26818 1268 27021 2 71149 83597 71149 94531 2 10874 27348 10874 27667 1 43190 25771 43495 25771 2 58647 88335 58647 88418 2 79069 10314 79069 79144 2 40298 5896 40298 6940 2 59012 9576 59012 13924...
output:
381702497
result:
ok 1 number(s): "381702497"
Test #19:
score: 5
Accepted
time: 105ms
memory: 17576kb
input:
19 100000 100000 100000 2 89823 49443 89823 49983 2 80228 97306 80228 97895 1 42598 57336 42786 57336 2 89823 77556 89823 77717 2 66932 24494 66932 55405 2 53340 64541 53340 64712 1 60745 97405 69512 97405 2 40429 2913 40429 3039 2 81959 82182 81959 90993 2 8781 67985 8781 68397 2 78315 7314 78315 3...
output:
380715962
result:
ok 1 number(s): "380715962"
Test #20:
score: 5
Accepted
time: 134ms
memory: 18036kb
input:
20 1000000000 1000000000 100000 2 94971842 653040809 94971842 653703458 2 482724716 383575122 482724716 435099343 1 318102608 972959400 378877390 972959400 2 94971842 860758970 94971842 863268182 2 367852389 787409469 367852389 998707870 2 419520406 173007646 419520406 446320624 1 89956469 295257477...
output:
3930560445242
result:
ok 1 number(s): "3930560445242"
Extra Test:
score: 0
Extra Test Passed