QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#107714 | #6309. Aqre | snowy2002 | AC ✓ | 494ms | 26988kb | C++17 | 3.7kb | 2023-05-22 16:58:43 | 2023-05-22 16:58:46 |
Judging History
answer
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#define time chrono::system_clock::now().time_since_epoch().count()
#include<ext/pb_ds/tree_policy.hpp>
#define clean(x) memset(x,0,sizeof(x))
#define fil(x,n) fill(x,x+1+n,0)
#define inf 2000000009
#define maxn 1000005
#define int long long
using namespace std;
using namespace __gnu_pbds;
mt19937_64 rnd(time);
cc_hash_table<int,int>mp;
int read() {
int x=1,res=0;
char c=getchar();
while(c<'0'||c>'9') {
if(c=='-') x=-1;
c=getchar();
}
while(c>='0'&&c<='9') {
res=res*10+(c-'0');
c=getchar();
}
return res*x;
}
int xx[4]={1,0,-1,0};
int yy[4]={0,1,0,-1};
int a[4][4],b[4][4];
void solve() {
int x=read(),y=read();
for(int i=0;i<4;i++) for(int j=0;j<4;j++) a[i][j]=1;
for(int i=0;i<4;i++) for(int j=0;j<4;j++) b[i][j]=1;
a[0][3]=a[3][0]=a[1][1]=a[2][2]=0;
b[0][3]=b[1][3]=b[2][1]=0;
if(x<4&&y<4) {
cout<<x*y<<"\n";
for(int i=1;i<=x;i++) {
for(int j=1;j<=y;j++) {
cout<<1;
}
puts("");
}
return;
}
int ok=0,ans=x*y,res,maxx=0;
if(x>y) {swap(x,y);ok=1;}
vector f(x,vector(y,0ll));
vector g=f;
if(x!=3) {
for(int i1=0;i1<=3;i1++) for(int i2=0;i2<=3;i2++)
for(int i3=0;i3<=3;i3++) for(int i4=0;i4<=3;i4++) {
if(i1==i2||i1==i3||i1==i4||i2==i3||i2==i4||i3==i4) continue;
a[0][i1]=a[1][i2]=a[2][i3]=a[3][i4]=0;
ans=x*y;
int nx,ny;
for(int i=0;i<x;i++) {
for(int j=0;j<y;j++) {
f[i][j]=a[i%4][j%4];
if(!f[i][j]) ans--;
else nx=i,ny=j;
}
}
auto check=[&]() {
queue<pair<int,int>>q;
q.push({nx,ny});
vector vis(x,vector(y,0ll));
int cnt=0;
vis[nx][ny]=1;
while(q.size()) {
cnt++;
auto u=q.front();q.pop();
// vis[u.first][u.second]=1;
for(int i=0;i<4;i++) {
int tox=u.first+xx[i];
int toy=u.second+yy[i];
if(tox>=0&&tox<x&&toy>=0&&toy<y&&f[tox][toy]==1&&!vis[tox][toy]) {
q.push({tox,toy});
vis[tox][toy]=1;
}
}
}
// cout<<cnt<<" "<<res<<endl;
if(cnt==res) return 1;
return 0;
};
res=ans;
// cout<<"res"<<res<<endl;
if(check()) {
// res=ans;
if(res>maxx) {
maxx=res;
g=f;
}
}
a[0][i1]=a[1][i2]=a[2][i3]=a[3][i4]=1;
}
}
if(x==3) {
for(int i=0;i<x;i++) {
for(int j=0;j<y;j++) {
g[i][j]=b[i%4][j%4];
if(!g[i][j]) ans--;
}
}
}
if(x==3) cout<<ans<<"\n";
else cout<<maxx<<"\n";
if(ok) {
for(int i=0;i<y;i++) {
for(int j=0;j<x;j++) {
cout<<g[j][i];
}
puts("");
}
}
else {
for(int i=0;i<x;i++) {
for(int j=0;j<y;j++) {
cout<<g[i][j];
}
puts("");
}
}
}
signed main()
{
int t=read();
while(t--) solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3372kb
input:
3 2 2 3 4 3 8
output:
4 11 11 9 1110 1110 1011 18 11101110 11101110 10111011
result:
ok ok (3 test cases)
Test #2:
score: 0
Accepted
time: 18ms
memory: 3528kb
input:
361 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10 2 11 2 12 2 13 2 14 2 15 2 16 2 17 2 18 2 19 2 20 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 10 3 11 3 12 3 13 3 14 3 15 3 16 3 17 3 18 3 19 3 20 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 4 10 4 11 4 12 4 13 4 14 4 15 4 16 4 17 4 18 4 19 4 20 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 5 1...
output:
4 11 11 6 111 111 6 1110 0111 8 11101 10111 9 111011 101110 11 1110111 1011101 12 11101110 10111011 14 111011101 101110111 15 1110111011 1011101110 17 11101110111 10111011101 18 111011101110 101110111011 20 1110111011101 1011101110111 21 11101110111011 10111011101110 23 111011101110111 1011101110111...
result:
ok ok (361 test cases)
Test #3:
score: 0
Accepted
time: 191ms
memory: 3696kb
input:
100 91 91 91 92 91 93 91 94 91 95 91 96 91 97 91 98 91 99 91 100 92 91 92 92 92 93 92 94 92 95 92 96 92 97 92 98 92 99 92 100 93 91 93 92 93 93 93 94 93 95 93 96 93 97 93 98 93 99 93 100 94 91 94 92 94 93 94 94 94 95 94 96 94 97 94 98 94 99 94 100 95 91 95 92 95 93 95 94 95 95 95 96 95 97 95 98 95 9...
output:
6211 1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111 0111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011 1101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110 1011101110111011101...
result:
ok ok (100 test cases)
Test #4:
score: 0
Accepted
time: 199ms
memory: 4880kb
input:
16 247 247 247 248 247 249 247 250 248 247 248 248 248 249 248 250 249 247 249 248 249 249 249 250 250 247 250 248 250 249 250 250
output:
45757 1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111 0111011101110111011101110111011101110111011101...
result:
ok ok (16 test cases)
Test #5:
score: 0
Accepted
time: 224ms
memory: 26792kb
input:
1 997 997
output:
745507 11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...
result:
ok ok (1 test case)
Test #6:
score: 0
Accepted
time: 276ms
memory: 26944kb
input:
1 997 998
output:
746255 11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...
result:
ok ok (1 test case)
Test #7:
score: 0
Accepted
time: 298ms
memory: 26876kb
input:
1 997 999
output:
747003 11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...
result:
ok ok (1 test case)
Test #8:
score: 0
Accepted
time: 494ms
memory: 26820kb
input:
1 997 1000
output:
747750 11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...
result:
ok ok (1 test case)
Test #9:
score: 0
Accepted
time: 324ms
memory: 26768kb
input:
1 998 997
output:
746255 10111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...
result:
ok ok (1 test case)
Test #10:
score: 0
Accepted
time: 299ms
memory: 26924kb
input:
1 998 998
output:
747004 11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...
result:
ok ok (1 test case)
Test #11:
score: 0
Accepted
time: 353ms
memory: 26904kb
input:
1 998 999
output:
747752 11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...
result:
ok ok (1 test case)
Test #12:
score: 0
Accepted
time: 339ms
memory: 26864kb
input:
1 998 1000
output:
748500 11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...
result:
ok ok (1 test case)
Test #13:
score: 0
Accepted
time: 336ms
memory: 26788kb
input:
1 999 997
output:
747003 10111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...
result:
ok ok (1 test case)
Test #14:
score: 0
Accepted
time: 354ms
memory: 26868kb
input:
1 999 998
output:
747752 10111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...
result:
ok ok (1 test case)
Test #15:
score: 0
Accepted
time: 343ms
memory: 26820kb
input:
1 999 999
output:
748501 11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...
result:
ok ok (1 test case)
Test #16:
score: 0
Accepted
time: 365ms
memory: 26948kb
input:
1 999 1000
output:
749250 11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...
result:
ok ok (1 test case)
Test #17:
score: 0
Accepted
time: 370ms
memory: 26988kb
input:
1 1000 997
output:
747750 10111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...
result:
ok ok (1 test case)
Test #18:
score: 0
Accepted
time: 358ms
memory: 26924kb
input:
1 1000 998
output:
748500 10111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...
result:
ok ok (1 test case)
Test #19:
score: 0
Accepted
time: 309ms
memory: 26928kb
input:
1 1000 999
output:
749250 10111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...
result:
ok ok (1 test case)
Test #20:
score: 0
Accepted
time: 354ms
memory: 26916kb
input:
1 1000 1000
output:
750000 11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...
result:
ok ok (1 test case)
Test #21:
score: 0
Accepted
time: 2ms
memory: 3360kb
input:
1 3 997
output:
2244 1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...
result:
ok ok (1 test case)
Test #22:
score: 0
Accepted
time: 2ms
memory: 3484kb
input:
1 3 998
output:
2246 1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...
result:
ok ok (1 test case)
Test #23:
score: 0
Accepted
time: 2ms
memory: 3376kb
input:
1 3 999
output:
2249 1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...
result:
ok ok (1 test case)
Test #24:
score: 0
Accepted
time: 2ms
memory: 3488kb
input:
1 3 1000
output:
2250 1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...
result:
ok ok (1 test case)
Test #25:
score: 0
Accepted
time: 2ms
memory: 3436kb
input:
1 997 3
output:
2244 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110...
result:
ok ok (1 test case)
Test #26:
score: 0
Accepted
time: 2ms
memory: 3480kb
input:
1 998 3
output:
2246 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110...
result:
ok ok (1 test case)
Test #27:
score: 0
Accepted
time: 0ms
memory: 3468kb
input:
1 999 3
output:
2249 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110...
result:
ok ok (1 test case)
Test #28:
score: 0
Accepted
time: 1ms
memory: 3360kb
input:
1 1000 3
output:
2250 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110 111 001 111 110...
result:
ok ok (1 test case)
Test #29:
score: 0
Accepted
time: 2ms
memory: 3464kb
input:
1 2 997
output:
1496 1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...
result:
ok ok (1 test case)
Test #30:
score: 0
Accepted
time: 2ms
memory: 3472kb
input:
1 2 998
output:
1497 1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...
result:
ok ok (1 test case)
Test #31:
score: 0
Accepted
time: 2ms
memory: 3544kb
input:
1 2 999
output:
1499 1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...
result:
ok ok (1 test case)
Test #32:
score: 0
Accepted
time: 3ms
memory: 3444kb
input:
1 2 1000
output:
1500 1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...
result:
ok ok (1 test case)
Test #33:
score: 0
Accepted
time: 0ms
memory: 3492kb
input:
1 997 2
output:
1496 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 1...
result:
ok ok (1 test case)
Test #34:
score: 0
Accepted
time: 2ms
memory: 3404kb
input:
1 998 2
output:
1497 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 1...
result:
ok ok (1 test case)
Test #35:
score: 0
Accepted
time: 2ms
memory: 3476kb
input:
1 999 2
output:
1499 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 1...
result:
ok ok (1 test case)
Test #36:
score: 0
Accepted
time: 2ms
memory: 3500kb
input:
1 1000 2
output:
1500 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 11 01 11 10 1...
result:
ok ok (1 test case)