QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#440092 | #7178. Bishops | ucup-team896 | AC ✓ | 18ms | 5304kb | C++14 | 1.7kb | 2024-06-13 08:23:05 | 2024-06-13 08:23:06 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define rep(x,y,z) for(int x=y;x<=z;x++)
int n,m;
vector<pair<int,int>>ans;
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
cin>>n>>m;
bool flag=(n>m);
if(n==1&&m==1){
cout<<"1\n";
cout<<"1 1\n";
return 0;
}
if(n>m)swap(n,m);
if(n&1){
if(n==m){
rep(i,2,n)ans.emplace_back(i,1);
rep(i,2,n)ans.emplace_back(i,m);
}else if(m==n+1){
rep(i,1,n)ans.emplace_back(i,1);
rep(i,1,n)ans.emplace_back(i,m);
}else{
rep(i,1,n)ans.emplace_back(i,1);
rep(i,1,n)ans.emplace_back(i,m);
int pos=n/2+2;
rep(i,1,m-n-1)ans.emplace_back((n+1)/2,pos),pos++;
}
}else{
if(n==m){
rep(i,2,n)ans.emplace_back(i,1);
rep(i,2,n)ans.emplace_back(i,m);
}else if(m==n+1){
rep(i,1,n)ans.emplace_back(i,1);
rep(i,1,n)ans.emplace_back(i,m);
}else if(m&1){
rep(i,1,n)ans.emplace_back(i,1);
rep(i,1,n)ans.emplace_back(i,m);
int pos=n/2+2;
rep(i,1,(m-n)/2){
ans.emplace_back(n/2,pos);
ans.emplace_back(n/2+1,pos);
pos+=2;
}
}else{
rep(i,2,n)ans.emplace_back(i,1);
rep(i,2,n)ans.emplace_back(i,m);
int pos=n/2+1;
rep(i,1,m-n)ans.emplace_back(n/2+1,pos),pos++;
}
}
cout<<(int)ans.size()<<"\n";
for(auto x:ans){
if(flag)swap(x.first,x.second);
cout<<x.first<<" "<<x.second<<"\n";
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3640kb
input:
2 5
output:
6 1 1 2 1 1 5 2 5 1 3 2 3
result:
ok n: 2, m: 5, bishops: 6
Test #2:
score: 0
Accepted
time: 1ms
memory: 3608kb
input:
5 5
output:
8 2 1 3 1 4 1 5 1 2 5 3 5 4 5 5 5
result:
ok n: 5, m: 5, bishops: 8
Test #3:
score: 0
Accepted
time: 15ms
memory: 5160kb
input:
100000 100000
output:
199998 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 1 6...
result:
ok n: 100000, m: 100000, bishops: 199998
Test #4:
score: 0
Accepted
time: 16ms
memory: 5256kb
input:
100000 99999
output:
199998 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 ...
result:
ok n: 100000, m: 99999, bishops: 199998
Test #5:
score: 0
Accepted
time: 11ms
memory: 5180kb
input:
100000 50000
output:
149998 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 1...
result:
ok n: 100000, m: 50000, bishops: 149998
Test #6:
score: 0
Accepted
time: 6ms
memory: 4116kb
input:
1 100000
output:
100000 1 1 1 100000 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 5...
result:
ok n: 1, m: 100000, bishops: 100000
Test #7:
score: 0
Accepted
time: 14ms
memory: 5268kb
input:
34535 99889
output:
134423 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 34535, m: 99889, bishops: 134423
Test #8:
score: 0
Accepted
time: 11ms
memory: 4256kb
input:
12231 97889
output:
110119 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 12231, m: 97889, bishops: 110119
Test #9:
score: 0
Accepted
time: 11ms
memory: 4112kb
input:
10000 100000
output:
109998 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 1 6...
result:
ok n: 10000, m: 100000, bishops: 109998
Test #10:
score: 0
Accepted
time: 10ms
memory: 4220kb
input:
13 99999
output:
100011 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 1 99999 2 99999 3 99999 4 99999 5 99999 6 99999 7 99999 8 99999 9 99999 10 99999 11 99999 12 99999 13 99999 7 8 7 9 7 10 7 11 7 12 7 13 7 14 7 15 7 16 7 17 7 18 7 19 7 20 7 21 7 22 7 23 7 24 7 25 7 26 7 27 7 28 7 29 7 30 7 31 7 32 7 33 7...
result:
ok n: 13, m: 99999, bishops: 100011
Test #11:
score: 0
Accepted
time: 10ms
memory: 4132kb
input:
21 99999
output:
100019 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 1 99999 2 99999 3 99999 4 99999 5 99999 6 99999 7 99999 8 99999 9 99999 10 99999 11 99999 12 99999 13 99999 14 99999 15 99999 16 99999 17 99999 18 99999 19 99999 20 99999 21 99999 11 12 11 13 11 14...
result:
ok n: 21, m: 99999, bishops: 100019
Test #12:
score: 0
Accepted
time: 15ms
memory: 5304kb
input:
49999 100000
output:
149998 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 49999, m: 100000, bishops: 149998
Test #13:
score: 0
Accepted
time: 10ms
memory: 5256kb
input:
33333 99999
output:
133331 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 33333, m: 99999, bishops: 133331
Test #14:
score: 0
Accepted
time: 12ms
memory: 4116kb
input:
23342 98876
output:
122216 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 1 6...
result:
ok n: 23342, m: 98876, bishops: 122216
Test #15:
score: 0
Accepted
time: 11ms
memory: 5184kb
input:
56713 91234
output:
147946 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 56713, m: 91234, bishops: 147946
Test #16:
score: 0
Accepted
time: 16ms
memory: 5204kb
input:
99995 99995
output:
199988 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 1 6...
result:
ok n: 99995, m: 99995, bishops: 199988
Test #17:
score: 0
Accepted
time: 2ms
memory: 4288kb
input:
12345 54321
output:
66665 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 ...
result:
ok n: 12345, m: 54321, bishops: 66665
Test #18:
score: 0
Accepted
time: 18ms
memory: 5224kb
input:
90000 92000
output:
181998 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 1 6...
result:
ok n: 90000, m: 92000, bishops: 181998
Test #19:
score: 0
Accepted
time: 9ms
memory: 4296kb
input:
10000 70000
output:
79998 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 1 62...
result:
ok n: 10000, m: 70000, bishops: 79998
Test #20:
score: 0
Accepted
time: 8ms
memory: 4136kb
input:
10000 70001
output:
80000 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 ...
result:
ok n: 10000, m: 70001, bishops: 80000
Test #21:
score: 0
Accepted
time: 4ms
memory: 4168kb
input:
10000 80000
output:
89998 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 1 62...
result:
ok n: 10000, m: 80000, bishops: 89998
Test #22:
score: 0
Accepted
time: 9ms
memory: 4232kb
input:
10000 80001
output:
90000 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 ...
result:
ok n: 10000, m: 80001, bishops: 90000
Test #23:
score: 0
Accepted
time: 6ms
memory: 4128kb
input:
10000 80002
output:
90000 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 1 62...
result:
ok n: 10000, m: 80002, bishops: 90000
Test #24:
score: 0
Accepted
time: 9ms
memory: 4184kb
input:
10000 79999
output:
89998 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 ...
result:
ok n: 10000, m: 79999, bishops: 89998
Test #25:
score: 0
Accepted
time: 9ms
memory: 4160kb
input:
10000 79998
output:
89996 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 1 62...
result:
ok n: 10000, m: 79998, bishops: 89996
Test #26:
score: 0
Accepted
time: 11ms
memory: 4156kb
input:
11111 100000
output:
111110 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 11111, m: 100000, bishops: 111110
Test #27:
score: 0
Accepted
time: 1ms
memory: 3580kb
input:
1 1
output:
1 1 1
result:
ok n: 1, m: 1, bishops: 1
Extra Test:
score: 0
Extra Test Passed