Submission #709021

#	Time	Username	Problem	Language	Result	Execution time	Memory
709021		vjudge1	Domino (COCI15_domino)	C++17	30 / 160	837 ms	32724 KiB

domino

#include <bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define sz size()
using namespace std;
int main() {
    ll n,k;
    cin>>n>>k;
    ll a[n][n];
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            cin>>a[i][j];
        }
    }
    for(int q=0;q<k;q++){
        ll mx=-1,x,y,z=1;
        for(int i=0;i<n-1;i++){
            for(int j=0;j<n;j++){
                if(a[i][j]+a[i+1][j]>mx){
                    mx=a[i][j]+a[i+1][j];
                    x=i;
                    y=j;
                }
            }
        }
        for(int i=0;i<n;i++){
            for(int j=0;j<n-1;j++){
                if(a[i][j]+a[i][j+1]>mx){
                    mx=a[i][j]+a[i][j+1];
                    x=i;
                    y=j;
                    z=2;
                }
            }
        }
        a[x][y]=-1001;
        if(z==1)a[x+1][y]=-1001;
        else a[x][y+1]=-1001;
    }
    ll s=0;
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            s+=a[i][j];
        }
    }
    cout<<s+k*2*1001;
    return 0;
}

Compilation message (stderr)

domino.cpp: In function 'int main()':
domino.cpp:39:16: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
   39 |         a[x][y]=-1001;
      |         ~~~~~~~^~~~~~
domino.cpp:39:16: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]

• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10
• Subtask 11: 0 / 10
• Subtask 12: 0 / 10
• Subtask 13: 0 / 10
• Subtask 14: 10 / 10
• Subtask 15: 0 / 10
• Subtask 16: 10 / 10