Submission #75698471

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Source Code Expand

#include<bits/stdc++.h>
#define int long long
#define pii pair<int,int>
#define fi first
#define se second
#define rep(i,l,r) for(int i=(l);i<=(r);++i)
#define per(i,l,r) for(int i=(l);i>=(r);--i)

using namespace std;
const int N=5e5+10;
pii a[N];
int h,w,n,b[N],d[N],bc,dc;

signed main(){
    ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin>>h>>w>>n; rep(i,1,n) cin>>a[i].fi>>a[i].se;
    sort(a+1,a+n+1); int s1=0,s2=0,m=0,i=1;
    while(i<=n){
        int j=i;bc=0;
        while(j<=n&&a[j].fi==a[i].fi) b[++bc]=a[j++].se;
        int cl=2*(b[bc]-1),cr=2*(w-b[1]),c4=min(cl,cr);
        s1+=cl;rep(k,1,bc-1) c4=min(c4,2*(b[k]-1)+2*(w-b[k+1]));
        s2+=c4;d[++dc]=w-1-c4;m++;i=j;
    }
    int ad=min(h-m,2ll); rep(k,1,ad) d[++dc]=w-1;
    int ans=s1,cur=0,mi=-1,val=0; sort(d+1,d+dc+1);
    rep(k,1,dc){cur+=d[k];if(!(k&1)&&(!val||s2+cur<mi)) mi=s2+cur,val=1;}
    if(val&&mi<ans) ans=mi; cout<<ans<<"\n";
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function 'int main()':
./Main.cpp:28:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   28 |     if(val&&mi<ans) ans=mi; cout<<ans<<"\n";
      |     ^~
./Main.cpp:28:29: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   28 |     if(val&&mi<ans) ans=mi; cout<<ans<<"\n";
      |                             ^~~~

Judge Result