oj.uz

Submission #43339

# Submission time Handle Problem Language Result Execution time Memory
43339 2018-03-13T19:42:32 Z Hassoony Pohlepko (COCI16_pohlepko) C++14
70 / 80
 1000 ms 14812 KB 
#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
const int MX=2009;
int n,m;
char a[MX][MX];
string ans[2][MX],s1,s2;
int main(){
    scanf("%d%d",&n,&m);
    for(int i=0;i<n;i++)scanf("%s",&a[i]);
    if(m==1){
        for(int i=0;i<n;i++)s1+=a[i][0];
        cout<<s1<<endl;
        return 0;
    }
    if(n==1){
        for(int i=0;i<m;i++)s1+=a[0][i];
        cout<<s1<<endl;
        return 0;
    }
    ans[0][m-1]=a[n-1][m-1];
    for(int i=m-2;i>=0;i--)ans[0][i]=a[n-1][i]+ans[0][i+1];
    for(int i=n-2;i>=0;i--){
        for(int j=m-1;j>=0;j--){
            if(j==m-1){
                ans[1][j]=a[i][j]+ans[0][j];
                ans[0][j]=ans[1][j];
                continue;
            }
            ans[1][j]=min(a[i][j]+ans[0][j],a[i][j]+ans[1][j+1]);
            ans[0][j]=ans[1][j];
            ans[1][j+1]="";
        }
        ans[1][0]="";
    }
    cout<<ans[0][0]<<endl;
}

Compilation message

pohlepko.cpp: In function 'int main()':
pohlepko.cpp:11:41: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[2009]' [-Wformat=]
     for(int i=0;i<n;i++)scanf("%s",&a[i]);
                                         ^
pohlepko.cpp:10:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
                        ^
pohlepko.cpp:11:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i=0;i<n;i++)scanf("%s",&a[i]);
                                          ^

Subtask #1
70.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 376 KB Output is correct
2 Correct 2 ms 1504 KB Output is correct
3 Correct 2 ms 1504 KB Output is correct
4 Correct 2 ms 1504 KB Output is correct
5 Correct 6 ms 2360 KB Output is correct
6 Correct 111 ms 2764 KB Output is correct
7 Correct 709 ms 8824 KB Output is correct
8 Execution timed out 1049 ms 14812 KB Time limit exceeded
9 Correct 3 ms 14812 KB Output is correct
10 Correct 24 ms 14812 KB Output is correct
11 Correct 66 ms 14812 KB Output is correct
12 Correct 195 ms 14812 KB Output is correct
13 Correct 100 ms 14812 KB Output is correct
14 Execution timed out 1067 ms 14812 KB Time limit exceeded
15 Correct 6 ms 14812 KB Output is correct
16 Correct 976 ms 14812 KB Output is correct