QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #227627 | #6568. Space Alignment | Nerovix# | AC ✓ | 4ms | 3736kb | C++20 | 3.4kb | 2023-10-27 20:09:16 | 2023-10-27 20:09:16 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define mpr make_pair
#define db double
#define ll long long
const int maxn=1e2+10;
int n;
string s[maxn];
int a[maxn],b[maxn],k[maxn];
void calc(int a,int b,int c,int d,int e,int f,int&x,int&y){
ll U=1ll*a*f-1ll*c*d;
ll D=1ll*e*c-1ll*b*f;
if(U%D){
x=-1,y=-1;
return;
}
x=U/D;
if(x<=0){
x=-1,y=-1;
return;
}
U=a+1ll*b*x;
D=c;
if(U%D){
x=-1;
y=-1;
return;
}
y=U/D;
if(y<=0){
x=y=-1;
return;
}
return;
}
void solve(){
cin>>n;
int sta=0;
for(int i=1;i<=n;i++){
cin>>s[i];
if(s[i].back()=='{')k[i]=sta++;
else if(s[i].back()=='}')k[i]=--sta;
else assert(0);
for(int j=0;j+1<s[i].size();j++){
if(s[i][j]=='s')a[i]++;
else assert(s[i][j]=='t'),b[i]++;
}
if(!(a[i]+b[i]+k[i]))continue;
int g=__gcd(a[i],__gcd(b[i],k[i]));
a[i]/=g;
b[i]/=g;
k[i]/=g;
}
for(int ans=1;ans<=1e6;ans++){
int flag=0;
int w;
int bad=0;
for(int i=1;i<=n;i++){
int u=a[i]+b[i]*ans;
if(k[i]==0){
if(u==0){
continue;
}
else {
bad=1;
break;
}
}
else{
if(u%k[i]){
bad=1;
break;
}
else{
if(flag==0){
w=u/k[i];
flag=1;
}
else{
if(w!=u/k[i]){
bad=1;
break;
}
else continue;
}
}
}
}
if(bad||(flag==1&&w==0))continue;
cout<<ans;
return;
}
cout<<-1;
return;
// if(n==2){
// cout<<1<<"\n";
// return;
// }
// int aa=a[2],bb=b[2],cc=k[2];
// int t=-2,w=0;
// for(int i=3;i<n;i++){
// int d=a[i],e=b[i],f=k[i];
// if(1ll*e*cc==1ll*bb*f){
// if(1ll*aa*e==1ll*bb*d){
// aa+=d;
// bb+=e;
// cc+=f;
// continue;
// }
// else return cout<<"-1\n",void();
// }
// else{
// calc(aa,bb,cc,d,e,f,t,w);
// if(t==-1){
// cout<<-1<<"\n";
// return;
// }
// else break;
// }
// }
// if(t==-2){
// if(a==0&&b==0&&c==0){
// return cout<<1,void();
// }
// if(c==0)return cout<<-1,void();
// for(int t=1;t<=2e6;t++){
// if((aa+bb*t))
// }
// }
// for(int i=1;i<=n;i++){
// if(a[i]+b[i]*t!=k[i]*w){
// cout<<-1<<"\n";
// return;
// }
// }
// cout<<t<<"\n";
return;
}
signed main(){
ios::sync_with_stdio(0);
cin.tie(0),cout.tie(0);
int t=1;
// cin>>t;
while(t--){
solve();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3616kb
input:
10
{
ss{
sts{
tt}
t}
t{
ss}
}
{
}
output:
2
result:
ok single line: '2'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3708kb
input:
2
{
}
output:
1
result:
ok single line: '1'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3512kb
input:
4
{
ss{
ss}
}
output:
1
result:
ok single line: '1'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
4
{
tt{
tt}
}
output:
1
result:
ok single line: '1'
Test #5:
score: 0
Accepted
time: 4ms
memory: 3644kb
input:
4
{
ss{
s}
}
output:
-1
result:
ok single line: '-1'
Test #6:
score: 0
Accepted
time: 2ms
memory: 3620kb
input:
4
{
tt{
t}
}
output:
-1
result:
ok single line: '-1'
Test #7:
score: 0
Accepted
time: 4ms
memory: 3648kb
input:
4
{
tt{
s}
}
output:
-1
result:
ok single line: '-1'
Test #8:
score: 0
Accepted
time: 4ms
memory: 3628kb
input:
4
{
tt{
sss}
}
output:
-1
result:
ok single line: '-1'
Test #9:
score: 0
Accepted
time: 0ms
memory: 3704kb
input:
4
{
tt{
ssss}
}
output:
2
result:
ok single line: '2'
Test #10:
score: 0
Accepted
time: 0ms
memory: 3632kb
input:
6
{
}
{
tt{
ssss}
}
output:
2
result:
ok single line: '2'
Test #11:
score: 0
Accepted
time: 0ms
memory: 3588kb
input:
100
{
}
{
}
{
t{
ssssssssssssssssssssssssssssssssssss}
t{
t}
t{
tssssssssssssssssssssssssssssssssssss{
tssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss{
tsssssssssssssssssssssssssssssssssssst}
ttssssssssssssssssssssssssssssssssssss{
ssssssssssssssssssssssssssssssssssssssssss...
output:
36
result:
ok single line: '36'
Test #12:
score: 0
Accepted
time: 0ms
memory: 3736kb
input:
100
{
t{
tssssssssssssssssssss{
ttssssssssssssssssssss{
tsssssssssssssssssssstt{
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssstt{
ttsssssssssssssssssssstssssssssssssssssssssssssssssssssssssssss{
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssstsssssssss...
output:
20
result:
ok single line: '20'
Test #13:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
4
{
t{
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...
output:
999
result:
ok single line: '999'