| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 384435 | 2021-04-01T16:38:39 Z | negar_a | Pipes (BOI13_pipes) | C++14 | 2 ms | 640 KB |
//!yrt tsuj uoy srettam gnihton no emoc
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define pb push_back
#define mp make_pair
#define pii pair <int, int>
#define fast_io ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define F first
#define S second
ll a, b, ans = 0;
ll x, y;
string A, B;
ll pw(ll x, ll y){
ll res = 1;
for(ll i = 0; i < y; i ++){
res *= x;
}
return res;
}
bool Y(int l, int r, int m){
return (m > l && m < r);
}
void solve_s(ll st){
for(ll i = st - 1; i >= 0; i --){
ll t = 9 - (A[i] - '0') - (i < x - 1 && A[i + 1] > A[i]) - (i < x - 2 && A[i + 2] > A[i]);
ans += 1LL * t * (i == x - 1 ? 9 * pw(8, i - 1) : pw(8, i));
if(i < x - 1 && A[i] == A[i + 1]){
return;
}
if(i < x - 2 && A[i] == A[i + 2]){
return;
}
}
if(0 < x - 1 && A[0] == A[1]){
return;
}
if(0 < x - 2 && A[0] == A[2]){
return;
}
ans ++;
return;
}
void solve_b(ll st){
for(ll i = st - 1; i >= 0; i --){
ll t = (B[i] - '0' - (i == y - 1)) - (i < y - 1 && B[i + 1] < B[i]) - (i < y - 2 && B[i + 2] < B[i]);
ans += 1LL * t * (i == y - 1 ? 9 * pw(8, i - 1) : pw(8, i));
if(i < y - 1 && B[i] == B[i + 1]){
return;
}
if(i < y - 2 && B[i] == B[i + 2]){
return;
}
// cout << "ani = " << i << " : " << ans << endl;
}
if(0 < y - 1 && B[0] == B[1]){
return;
}
if(0 < y - 2 && B[0] == B[2]){
return;
}
ans ++;
return;
}
int main(){
fast_io;
cin >> a >> b;
A = to_string(a);
B = to_string(b);
x = A.size(), y = B.size();
reverse(A.begin(), A.end());
reverse(B.begin(), B.end());
if(x == y){
assert(0);
ll ind = x - 1;
while(ind >= 0 && A[ind] == B[ind]){
if(ind < x - 1 && A[ind] == A[ind + 1]){
cout << 0;
return 0;
}
if(ind < x - 2 && A[ind] == A[ind + 2]){
cout << 0;
return 0;
}
ind --;
}
if(ind >= 0){
ll t = 1LL * (B[ind] - A[ind]) - 1 - (ind + 1 < x && Y(A[ind], B[ind], A[ind + 1])) - (ind + 2 < x && Y(A[ind], B[ind], A[ind + 2]));
ans += t * (ind == x - 1 ? 9 * pw(8, ind - 1) : pw(8, ind));
solve_s(ind);
solve_b(ind);
}else
ans = 1;
}else{
for(ll i = x + 1; i < y; i ++){
ans += 1LL * 9 * 9 * pw(8, i - 2);
}
solve_s(x);
solve_b(y);
}
cout << ans;
return 0;
}
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 2 | Incorrect | 1 ms | 364 KB | Output isn't correct |
| 3 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 4 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 5 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 6 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 7 | Incorrect | 1 ms | 364 KB | Output isn't correct |
| 8 | Incorrect | 1 ms | 364 KB | Output isn't correct |
| 9 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 10 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 11 | Incorrect | 1 ms | 364 KB | Output isn't correct |
| 12 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 13 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 14 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 15 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 16 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 17 | Runtime error | 2 ms | 620 KB | Execution killed with signal 6 |
| 18 | Incorrect | 1 ms | 364 KB | Output isn't correct |
| 19 | Incorrect | 1 ms | 364 KB | Output isn't correct |
| 20 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 21 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 22 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 23 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 24 | Incorrect | 1 ms | 364 KB | Output isn't correct |
| 25 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 2 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 3 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 4 | Runtime error | 2 ms | 556 KB | Execution killed with signal 6 |
| 5 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 6 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 7 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 8 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 9 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 10 | Correct | 1 ms | 364 KB | Output is correct |
| 11 | Correct | 1 ms | 364 KB | Output is correct |
| 12 | Incorrect | 1 ms | 364 KB | Output isn't correct |
| 13 | Incorrect | 1 ms | 364 KB | Output isn't correct |
| 14 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 15 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 16 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 17 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 18 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 19 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 20 | Incorrect | 1 ms | 384 KB | Output isn't correct |
| 21 | Incorrect | 1 ms | 364 KB | Output isn't correct |
| 22 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 23 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 24 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 25 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 26 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 27 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 28 | Incorrect | 1 ms | 364 KB | Output isn't correct |
| 29 | Incorrect | 1 ms | 364 KB | Output isn't correct |
| 30 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 31 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 32 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 33 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 34 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 35 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 36 | Correct | 1 ms | 364 KB | Output is correct |
| 37 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 38 | Runtime error | 2 ms | 640 KB | Execution killed with signal 6 |
| 39 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 40 | Runtime error | 2 ms | 640 KB | Execution killed with signal 6 |
| 41 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 42 | Runtime error | 1 ms | 492 KB | Execution killed with signal 6 |
| 43 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 44 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 45 | Incorrect | 1 ms | 364 KB | Output isn't correct |
| 46 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 47 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 48 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 49 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 50 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 51 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 52 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |
| 53 | Incorrect | 1 ms | 364 KB | Output isn't correct |
| 54 | Runtime error | 2 ms | 492 KB | Execution killed with signal 6 |