# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
951880 | hugsfromadicto | Pohlepko (COCI16_pohlepko) | C++14 | 27 ms | 65536 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define fi first
#define se second
#define int long long
#define all(a) a.begin(),a.end()
#define pb push_back
#define MAX(a,b,c) max(a,max(b,c))
using namespace std;
void USACO(string filename){
freopen((filename+".in").c_str(),"r",stdin);
freopen((filename+".out").c_str(),"w",stdout);
}
void fre()
{
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
}
struct BIT
{
int n;
vector<int> ft;
void init(int N)
{
n = N + 5;
ft.assign(n + 5, 0);
}
void add(int pos, int val)
{
for (pos = pos + 1; pos <= n; pos += pos & -pos) ft[pos] += val;
}
int get(int pos, int res = 0)
{
for (pos = pos + 1; pos > 0; pos -= pos & -pos) res += ft[pos];
return res;
}
};
struct DSU
{
int n;
vector<int> e;
void init(int N)
{
n = N;
e.assign(n + 1, -1);
}
int get(int x)
{
if (e[x] < 0) return x;
return e[x] = get(e[x]);
}
void unite(int x, int y)
{
x = get(x);
y = get(y);
if (x == y) return;
if (e[x] > e[y]) swap(x, y);
e[x] += e[y];
e[y] = x;
}
};
bool check(int n)
{
while(n != 0)
{
if(n % 10 != 4 && n % 10 != 7)
return false;
n /= 10;
}
return true;
}
const int mxN = 2e3 + 15;
string a[mxN][mxN], dp[mxN][mxN];
void _()
{
int n,m;
cin >> n >> m;
for(int i = 0; i < n; ++i)
{
string s;
cin >> s;
for(int j = 0; j < m; ++j)
{
a[i][j] = s[j];
}
}
dp[0][0] = a[0][0];
for(int i = 1; i < n; ++i)
dp[i][0] = dp[i - 1][0] + a[i][0];
for(int j = 1; j < m; ++j)
dp[0][j] = dp[0][j - 1] + a[0][j];
for(int i = 1; i < n; ++i)
{
for(int j = 1; j < m; ++j)
{
dp[i][j] = min(dp[i - 1][j], dp[i][j - 1]) + a[i][j];
}
}
cout << dp[n - 1][m - 1];
}
main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int tc = 1;
while(tc--)
_();
}
Compilation message (stderr)
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