Submission #3419854

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define mx 15000000
#define MK 200005
#define pii pair<int,int>
#define tii pair<pii,int>
#define fs first
#define sc second
#define mp make_pair

int dp[105][105],ara[105],n;
int dp_func(int pos,int col)
{
    if(pos>n)return 0;
    if(dp[pos][col]!=-1)return dp[pos][col];
    int ret=20000;
    for(int i=1;i<=101;i++)
    {
        if(i==col)continue;
        ret=min(ret,dp_func(pos+1,i)+(i!=ara[pos]));
    }
    return dp[pos][col]=ret;

}
int name[200000];
int main()
{
    int id=0;
    memset(dp,-1,sizeof dp);
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
            scanf("%d",&ara[i]);
            if(name[ara[i]]==0)
            {
                name[ara[i]]=++id;
            }
            ara[i]=name[ara[i]];
           // cout<<ara[i]<<endl;
    }
    int ans=dp_func(1,0);
    cout<<ans<<endl;

}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:30:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
./Main.cpp:32:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d",&ara[i]);
                                ^

Judge Result