QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #359355 | #6568. Space Alignment | nkamzabek# | AC ✓ | 8ms | 5936kb | C++23 | 1.4kb | 2024-03-20 16:55:14 | 2024-03-20 16:55:15 |
Judging History
answer
#include <bits/stdc++.h>
#define f first
#define s second
#define sz(s) (int)s.size()
#define int long long
using namespace std;
const int N = (int)5e5 + 100;
const int M = N + 7;
const int MOD = 998244353;
const int INF = (int)1e18 + 100;
int n, cnt[N][2], c[N];
main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin >> n;
int bal = 0;
set<int> u;
for(int i = 1; i <= n; i++){
string s;
cin >> s;
int d = 1;
for(auto x : s){
if(x == 's')
cnt[i][0]++;
if(x == 't')
cnt[i][1]++;
if(x == '{')
d = 1;
else
d = -1;
}
if(d == -1) bal += d;
c[i] = bal;
if(d == 1) bal += d;
}
int ans = INT_MAX;
for(int C = 1; C <= 1000000; C++){
bool bad=0;
int target = -1;
for(int i = 1; i <= n && !bad; i++){
int rem = C*c[i] - cnt[i][0];
if(rem < 0) bad = 1;
if(!cnt[i][1]){
if(rem != 0)
bad = 1;
continue;
}
if(rem % cnt[i][1]) bad = 1;
if(target == -1){
target = rem / cnt[i][1];
}
if(rem / cnt[i][1] != target){
bad = 1;
}
}
if(!bad){
if(target == -1) target = 1;
ans = min(ans, target);
}
}
if(ans == INT_MAX) ans = -1;
cout << ans << "\n";
}
Details
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Test #1:
score: 100
Accepted
time: 3ms
memory: 5932kb
input:
10
{
ss{
sts{
tt}
t}
t{
ss}
}
{
}
output:
2
result:
ok single line: '2'
Test #2:
score: 0
Accepted
time: 3ms
memory: 3880kb
input:
2
{
}
output:
1
result:
ok single line: '1'
Test #3:
score: 0
Accepted
time: 0ms
memory: 5664kb
input:
4
{
ss{
ss}
}
output:
1
result:
ok single line: '1'
Test #4:
score: 0
Accepted
time: 5ms
memory: 5688kb
input:
4
{
tt{
tt}
}
output:
1
result:
ok single line: '1'
Test #5:
score: 0
Accepted
time: 3ms
memory: 5636kb
input:
4
{
ss{
s}
}
output:
-1
result:
ok single line: '-1'
Test #6:
score: 0
Accepted
time: 5ms
memory: 5688kb
input:
4
{
tt{
t}
}
output:
-1
result:
ok single line: '-1'
Test #7:
score: 0
Accepted
time: 4ms
memory: 5660kb
input:
4
{
tt{
s}
}
output:
-1
result:
ok single line: '-1'
Test #8:
score: 0
Accepted
time: 4ms
memory: 5696kb
input:
4
{
tt{
sss}
}
output:
-1
result:
ok single line: '-1'
Test #9:
score: 0
Accepted
time: 0ms
memory: 5856kb
input:
4
{
tt{
ssss}
}
output:
2
result:
ok single line: '2'
Test #10:
score: 0
Accepted
time: 6ms
memory: 5684kb
input:
6
{
}
{
tt{
ssss}
}
output:
2
result:
ok single line: '2'
Test #11:
score: 0
Accepted
time: 8ms
memory: 5728kb
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: 7ms
memory: 5936kb
input:
100
{
t{
tssssssssssssssssssss{
ttssssssssssssssssssss{
tsssssssssssssssssssstt{
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssstt{
ttsssssssssssssssssssstssssssssssssssssssssssssssssssssssssssss{
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssstsssssssss...
output:
20
result:
ok single line: '20'
Test #13:
score: 0
Accepted
time: 4ms
memory: 5632kb
input:
4
{
t{
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...
output:
999
result:
ok single line: '999'