#include <bits/stdc++.h>
#define endl "\n"
#define f first
#define s second
#define pb push_back
#define in insert
#define all(x) x.begin(),x.end()
#define FAST ios::sync_with_stdio(0);cout.tie(0);cin.tie(0)
using namespace std ;
void slv()
{
int n , m ;
cin >> n >> m ;
char a[n][m] ;
for(int i = 0 ; i < n ; i++)
for(int j = 0 ; j < m ; j++)
cin >> a[i][j] ;
int dp[n][m] ;
fill_n(&dp[0][0] , (n) * (m) , 0) ;
pair <int , int> pos[n][m] ;
for(int i = 0 ; i < n ; i++)
{
for(int j = 0 ; j < m ; j++)
{
dp[i][j] += a[i][j] ;
if(i == 0 && j == 0)
continue ;
if(j == 0)
{
dp[i][j] += a[i - 1][j] ;
pos[i][j] = {i - 1 , j} ;
}
else if(i == 0)
{
dp[i][j] += a[i][j - 1] ;
pos[i][j] = {i , j - 1} ;
}
else if(a[i - 1][j] < a[i][j - 1])
{
dp[i][j] += a[i - 1][j] ;
pos[i][j] = {i - 1 , j} ;
}
else
{
dp[i][j] += a[i][j - 1] ;
pos[i][j] = {i , j - 1} ;
}
}
}
pair <int , int> E = {n - 1 , m - 1} ;
vector <char> ans ;
while(1)
{
ans.pb(a[E.f][E.s]) ;
if(E.f + E.s == 0)
break ;
E = pos[E.f][E.s] ;
}
reverse(all(ans)) ;
for(auto t : ans)
cout << t ;
}
main()
{
FAST ;
slv() ;
}
Compilation message
pohlepko.cpp:75:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
75 | main()
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
380 KB |
Output is correct |
3 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
4 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
5 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
6 |
Incorrect |
5 ms |
3676 KB |
Output isn't correct |
7 |
Incorrect |
27 ms |
18648 KB |
Output isn't correct |
8 |
Incorrect |
87 ms |
55148 KB |
Output isn't correct |
9 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
10 |
Incorrect |
1 ms |
1072 KB |
Output isn't correct |
11 |
Incorrect |
3 ms |
1884 KB |
Output isn't correct |
12 |
Incorrect |
7 ms |
4956 KB |
Output isn't correct |
13 |
Incorrect |
4 ms |
3164 KB |
Output isn't correct |
14 |
Incorrect |
81 ms |
55212 KB |
Output isn't correct |
15 |
Incorrect |
1 ms |
604 KB |
Output isn't correct |
16 |
Incorrect |
25 ms |
21852 KB |
Output isn't correct |