#include <bits/stdc++.h>
//#include "grader.h"
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pi;
#define pb push_back
#define mp make_pair
#define f first
#define s second
vi rems;
int get_log(ll k){
int cnt = 0;
while(k > 0){
cnt++;
rems.pb(k % 6);
k /= 6;
}
return cnt;
}
ll check(vector<vector<char>> &grid, int n, int m){
ll r[1000][1000], d[1000][1000];
for(int i = 0; i < n; i++){
for(int j = 0; j < m; j++){
r[i][j] = d[i][j] = 0;
}
}
r[0][0] = 1;
for(int i = 0; i < n; i++){
for(int j = 0; j < m; j++){
if(i == n-1 && j == m-1)
continue;
if(grid[i][j] == '.'){
r[i][j+1] += r[i][j];
d[i+1][j] += d[i][j];
} else if(grid[i][j] == 'X'){
r[i][j+1] += r[i][j] + d[i][j];
d[i+1][j] += r[i][j] + d[i][j];
} else if(grid[i][j] == 'r'){
r[i][j+1] += r[i][j] + d[i][j];
} else {
d[i+1][j] += r[i][j] + d[i][j];
}
}
}
ll ans = r[n-1][m-1] + d[n-1][m-1];
/*for(int i = 0; i < n; i++){
for(int j = 0; j < m; j++){
cout << setw(4) << r[i][j] + d[i][j];
}
cout << '\n';
}*/
return ans;
}
void solve(){
rems.clear();
ll k;
cin >> k;
int n = get_log(k) * 2, sz = n+10;
vector<vector<char>> a(sz, vector<char>(sz, '.'));
for(int i = 0; i < n-2; i += 2){
a[i][i] = a[i+1][i] = a[i][i+1] = a[i+1][i+1] = 'X';
a[i][i+2] = a[i+1][i+2] = 'd';
a[i+2][i] = a[i+2][i+1] = 'r';
}
for(int i = 0; i < rems.size()-1; i++){
int ind = i*2;
if(rems[i] == 0)
continue;
if(rems[i] == 1){
a[ind+2][ind] = 'X';
continue;
}
a[ind+2][ind] = 'X';
a[ind+3][ind] = a[ind+4][ind] = 'd';
for(int j = 0; j < rems[i]-1; j++){
a[ind+5+j][ind] = 'X';
a[ind+5+j][ind+1] = 'd';
}
}
for(int i = 0; i < sz; i++){
a[sz-1][i] = 'r';
a[i][sz-1] = 'd';
}
a[sz-1][sz-1] = '.';
for(int i = 0; i < rems.back()-1; i++)
a[n-2+i][n-2] = 'X';
/*cout << sz << ' ' << sz << '\n';
for(int i = 0; i < sz; i++){
for(int j = 0; j < sz; j++)
cout << a[i][j];
cout << '\n';
}*/
cout << check(a, sz, sz) << '\n';
}
int main(){
//freopen("input.txt", "r", stdin);
//freopen("test.out", "w", stdout);
ios::sync_with_stdio(0); cin.tie(0);
int t = 1;
//cin >> t;
while(t--){
solve();
}
}
Compilation message
costinland.cpp: In function 'void solve()':
costinland.cpp:73:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
73 | for(int i = 0; i < rems.size()-1; i++){
| ~~^~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
8 ms |
15980 KB |
Unexpected end of file - int32 expected |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
6 ms |
15956 KB |
Expected int32, but "305331954666446125" found |
2 |
Halted |
0 ms |
0 KB |
- |