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  • P1631-序列合并

     1 #include <bits/stdc++.h>
     2 #define _for(i,a,b) for(int i = (a);i < b;i ++)
     3 #define _rep(i,a,b) for(int i = (a);i > b;i --)
     4 #define INF 0x3f3f3f3f
     5 #define MOD 1000000007
     6 #define pb push_back
     7 #define maxn 100003 
     8 typedef long long ll;
     9 using namespace std;
    10 inline ll read()
    11 {
    12     ll ans = 0;
    13     char ch = getchar(), last = ' ';
    14     while(!isdigit(ch)) last = ch, ch = getchar();
    15     while(isdigit(ch)) ans = (ans << 1) + (ans << 3) + ch - '0', ch = getchar();
    16     if(last == '-') ans = -ans;
    17     return ans;
    18 }
    19 inline void write(ll x)
    20 {
    21     if(x < 0) x = -x, putchar('-');
    22     if(x >= 10) write(x / 10);
    23     putchar(x % 10 + '0');
    24 }
    25 int N;
    26 struct P
    27 {
    28     int k;
    29     int val;
    30 };
    31 struct cmp
    32 {
    33     bool operator () (P a,P b)
    34     {
    35         return a.val > b.val;
    36     }
    37 };
    38 priority_queue<P,vector<P>,cmp> pq;
    39 int a[maxn];
    40 int b[maxn];
    41 int k[maxn];
    42 int main()
    43 {
    44     N = read();
    45     _for(i,1,N+1)
    46         a[i] = read();
    47     _for(i,1,N+1)
    48         b[i] = read();
    49     
    50     _for(i,1,N+1)
    51     {
    52         pq.push({i,a[i]+b[1]});
    53         k[i] = 1;
    54     }
    55     
    56     _for(i,1,N+1)
    57     {
    58         P ans = pq.top();
    59         pq.pop();
    60         printf("%d ",ans.val);
    61         k[ans.k] ++;
    62         pq.push({ans.k,a[ans.k]+b[k[ans.k]]});
    63     }
    64     return 0;
    65 }
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  • 原文地址:https://www.cnblogs.com/Asurudo/p/11564213.html
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