K Smallest Sums UVA - 11997
阿新 • • 發佈:2019-01-24
ace puts spa int out bsp struct smallest clu
有序表合並
#include<bits/stdc++.h> using namespace std; //#define int long long const int maxn=750+5; struct Item { int s,b; bool operator<(const Item& rhs) const { return s>rhs.s; } }; void Merge(int *A,int *B,int *C,int n) { priority_queue<Item> q; for(int i=0;i<n;i++) q.push({A[i]+B[0],0}); for(int i=0;i<n;i++){ Item it=q.top();q.pop(); A[i]=it.s; if(it.b+1<n) q.push({it.s-B[it.b]+B[it.b+1],it.b+1}); } } int A[maxn][maxn]; int32_t main() { int n; while(cin>>n){ for(int i=0;i<n;i++){for(int j=0;j<n;j++) cin>>A[i][j]; sort(A[i],A[i]+n); } for(int i=1;i<n;i++) Merge(A[0],A[i],A[0],n); cout<<A[0][0]; for(int i=1;i<n;i++) printf(" %d",A[0][i]); puts(""); } }
K Smallest Sums UVA - 11997