0
已解决
#include<iostream>
using namespace std;
int main(){
int n,m,x,y,a[100000],ans=0,max;
cin>>n>>m;
for (int i=1;i<=n;i++)
{
cin>>x>>y;
a[i]=y*m+x;
}
for (int i=1;i<n;i++)
{
if (a[i]>a[i+1])
{
for (int j=1;j<=x;j++)
{
if (a[j]==a[i]) a[j]=a[i+1];
}
}
}
for (int i=1;i<=n;i++)
{
if (a[i]!=a[i+1]) ans++;
}
cout<<ans<<endl;
return 0;
}项依凡在2018-07-04 20:47:06追加了内容
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