#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 500
#define mid (l+r)/2
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll mod=1000000007;//998244353;
const ll inf=1e18*4;
const ld pai=acos(-1);
int n,m;
char xxx='z'+1;
string s[2009];
string dp[2009][2009];
int done[2009][2009];
int check(int x,int y){
return (x>=0 && x<n && y>=0 && y<m);
}
string bt(int x,int y){
if(x==n-1 && y==m-1)return "";
string &ret=dp[x][y];
if(done[x][y])return ret;
done[x][y]=1;
ret=xxx;
if(check(x+1,y))ret=min(ret,s[x+1][y]+bt(x+1,y));
if(check(x,y+1))ret=min(ret,s[x][y+1]+bt(x,y+1));
return ret;
}
int main(){
cin>>n>>m;
for(int i=0;i<n;i++)cin>>s[i];
cout<<s[0][0]+bt(0,0)<<endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
62 ms |
65536 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
2 |
Runtime error |
59 ms |
65540 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
3 |
Runtime error |
74 ms |
65540 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
4 |
Runtime error |
63 ms |
65536 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
5 |
Runtime error |
55 ms |
65536 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
6 |
Runtime error |
59 ms |
65540 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
7 |
Runtime error |
56 ms |
65536 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
8 |
Runtime error |
59 ms |
65540 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
9 |
Runtime error |
54 ms |
65536 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
10 |
Runtime error |
57 ms |
65536 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
11 |
Runtime error |
57 ms |
65536 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
12 |
Runtime error |
61 ms |
65536 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
13 |
Runtime error |
54 ms |
65536 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
14 |
Runtime error |
56 ms |
65540 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
15 |
Runtime error |
55 ms |
65536 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
16 |
Runtime error |
57 ms |
65536 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |