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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#372028 | #3002. Busy Board | InfinityNS# | WA | 23ms | 7956kb | C++14 | 3.0kb | 2024-03-30 19:42:01 | 2024-03-30 19:42:03 |
Judging History
answer
#include<bits/stdc++.h>
#define pb push_back
#define all(x) x.begin(),x.end()
#define sz(x) (int)(x).size()
#define f first
#define s second
using namespace std;
int main(){
int n,m;
scanf("%i %i",&n,&m);
vector<string> in(n),out(n);
for(auto &p:in)cin>>p;
for(auto &p:out)cin>>p;
bool same=1;
int cntx=0;
for(int i=0;i<n;i++){
if(in[i]!=out[i])same=0;
for(auto p:in[i]){
cntx+=p=='X';
}
}
if(same){
printf("1\n");
return 0;
}
if(cntx==n*m){
printf("0\n");
return 0;
}
vector<int> cr(n),cc(m);
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(out[i][j]=='X'){
cr[i]++;
cc[j]++;
}
}
}
int cntOstali=0,cntxin=0,cntxout=0;
vector<vector<bool>> bad(n,vector<bool>(m));
queue<pair<int,int>> q;
vector<bool> doner(n),donec(m);
for(int i=0;i<n;i++){
if(cr[i]>1){
q.push({i,1});
doner[i]=1;
}
}
for(int i=0;i<m;i++){
if(cc[i]>1){
q.push({i,0});
donec[i]=1;
}
}
while(sz(q)){
auto tr=q.front();
q.pop();
if(tr.s==1){
int i=tr.f;
for(int j=0;j<m;j++){
bad[i][j]=1;
if(in[i][j]!=out[i][j]){
printf("0\n");
return 0;
}
if(out[i][j]=='X'){
if(!doner[i]){
doner[i]=1;
q.push({i,1});
}
if(!donec[j]){
donec[j]=1;
q.push({j,0});
}
}
}
}
else{
int j=tr.f;
for(int i=0;i<n;i++){
bad[i][j]=1;
if(in[i][j]!=out[i][j]){
printf("0\n");
return 0;
}
if(out[i][j]=='X'){
if(!doner[i]){
doner[i]=1;
q.push({i,1});
}
if(!donec[j]){
donec[j]=1;
q.push({j,0});
}
}
}
}
}
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(bad[i][j]){
}
else{
cntOstali++;
if(in[i][j]=='X')cntxin++;
if(out[i][j]=='X')cntxout++;
}
}
}
if(cntxout==0){
if(cntxin!=0){
printf("0\n");
return 0;
}
}
if(cntxin==cntOstali&&cntxout==cntOstali){
printf("1\n");
return 0;
}
if(cntxin==cntOstali){
printf("0\n");
return 0;
}
printf("1\n");
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 18ms
memory: 7080kb
input:
769 998 OOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOXOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOOOO...
output:
0
result:
ok answer is 0
Test #2:
score: 0
Accepted
time: 13ms
memory: 7956kb
input:
977 998 OOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOO...
output:
0
result:
ok answer is 0
Test #3:
score: -100
Wrong Answer
time: 23ms
memory: 7512kb
input:
941 973 XOXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXOXXXXXXXOXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX...
output:
0
result:
wrong answer expected 1, found 0