oj.uz

Submission #43334

# Submission time Handle Problem Language Result Execution time Memory
43334 2018-03-13T19:37:10 Z Hassoony Pohlepko (COCI16_pohlepko) C++14
70 / 80
 1000 ms 15176 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=0;i<m;i++)cout<<ans[0][i]<<endl;
    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];
                continue;
            }
            s1=a[i][j]+ans[0][j];
            s2=a[i][j]+ans[1][j+1];
            ans[1][j]=min(s1,s2);
        }
        swap(ans[0],ans[1]);
        for(int j=0;j<MX;j++)ans[1][j]="";
    }
    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 1532 KB Output is correct
3 Correct 2 ms 1532 KB Output is correct
4 Correct 5 ms 1532 KB Output is correct
5 Correct 6 ms 2280 KB Output is correct
6 Correct 114 ms 2580 KB Output is correct
7 Correct 736 ms 8996 KB Output is correct
8 Execution timed out 1079 ms 15176 KB Time limit exceeded
9 Correct 5 ms 15176 KB Output is correct
10 Correct 36 ms 15176 KB Output is correct
11 Correct 60 ms 15176 KB Output is correct
12 Correct 175 ms 15176 KB Output is correct
13 Correct 157 ms 15176 KB Output is correct
14 Execution timed out 1060 ms 15176 KB Time limit exceeded
15 Correct 8 ms 15176 KB Output is correct
16 Correct 999 ms 15176 KB Output is correct