#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
typedef pair<int, int> pi;
typedef long long int lint;
const int inf = 0x3f3f3f3f;
const int maxn = 2000 + 5;
int n, m;
char a[maxn][maxn];
string fuki(string t1, string t2) {
for(int i = 0; i < t1.size(); ++i) {
if(t1[i] < t2[i]) return t1;
if(t2[i] < t1[i]) return t2;
}
return t1;
}
string solve(int x, int y, string dosad) {
// cout << "x " << x << " y " << y << " dosad " << dosad << endl;
if(x == n - 1 and y == m - 1)
return dosad;
else if(x == n - 1 and y != m - 1)
return solve(x, y + 1, dosad + a[x][y + 1]);
else if(x != n - 1 and y == m - 1)
return solve(x + 1, y, dosad + a[x + 1][y]);
else if(x != n - 1 and y != m - 1 and a[x + 1][y] < a[x][y + 1])
return solve(x + 1, y, dosad + a[x + 1][y]);
else if(x != n - 1 and y != m - 1 and a[x][y + 1] < a[x + 1][y])
return solve(x, y + 1, dosad + a[x][y + 1]);
else
return fuki(solve(x, y + 1, dosad + a[x][y + 1]), solve(x + 1, y, dosad + a[x + 1][y]));
}
int main ()
{
ios::sync_with_stdio(0);
cin >> n >> m;
for(int i = 0; i < n; ++i)
for(int j = 0; j < m; ++j)
cin >> a[i][j];
string geez; geez.pb(a[0][0]);
cout << solve(0, 0, geez);
return 0;
}
Compilation message
pohlepko.cpp: In function 'std::__cxx11::string fuki(std::__cxx11::string, std::__cxx11::string)':
pohlepko.cpp:15:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i < t1.size(); ++i) {
~~^~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
3 ms |
1664 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
512 KB |
Output is correct |
| 5 |
Correct |
4 ms |
1408 KB |
Output is correct |
| 6 |
Correct |
9 ms |
2560 KB |
Output is correct |
| 7 |
Correct |
44 ms |
10248 KB |
Output is correct |
| 8 |
Correct |
82 ms |
24920 KB |
Output is correct |
| 9 |
Correct |
21 ms |
640 KB |
Output is correct |
| 10 |
Execution timed out |
1079 ms |
1272 KB |
Time limit exceeded |
| 11 |
Execution timed out |
1077 ms |
2544 KB |
Time limit exceeded |
| 12 |
Execution timed out |
1076 ms |
5160 KB |
Time limit exceeded |
| 13 |
Execution timed out |
1051 ms |
9520 KB |
Time limit exceeded |
| 14 |
Execution timed out |
1060 ms |
25284 KB |
Time limit exceeded |
| 15 |
Execution timed out |
1073 ms |
768 KB |
Time limit exceeded |
| 16 |
Execution timed out |
1073 ms |
22520 KB |
Time limit exceeded |
