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void findRMin(int n,int a[],int b[]) { stack<pair<int,int>> q; for (int i=n;i>=1;i--) { while (!q.empty()&&a[i]<=q.top().first) q.pop(); if (q.empty()) b[i]=0; else b[i]=q.top().second; q.push(make_pair(a[i],i)); } }
void findLMin(int n,int a[],int b[]) { stack<pair<int,int>> q; for (int i=1;i<=n;i++) { while (!q.empty()&&a[i]<=q.top().first) q.pop(); if (q.empty()) b[i]=0; else b[i]=q.top().second; q.push(make_pair(a[i],i)); } }
void findRMax(int n,int a[],int b[]) { stack<pair<int,int>> q; for (int i=n;i>=1;i--) { while (!q.empty()&&a[i]>=q.top().first) q.pop(); if (q.empty()) b[i]=0; else b[i]=q.top().second; q.push(make_pair(a[i],i)); } }
void findLMax(int n,int a[],int b[]) { stack<pair<int,int>> q; for (int i=1;i<=n;i++) { while (!q.empty()&&a[i]>=q.top().first) q.pop(); if (q.empty()) b[i]=0; else b[i]=q.top().second; q.push(make_pair(a[i],i)); } }
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