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  • P1007-独木桥

     1 #include <bits/stdc++.h>
     2 typedef long long ll;
     3 using namespace std;
     4 #define _for(i,a,b) for(int i = (a);i < b;i ++)
     5 #define _rep(i,a,b) for(int i = (a);i > b;i --)
     6 #define INF 0x3f3f3f3f
     7 #define MOD 1000000007
     8 #define pb push_back
     9 #define maxn 100003
    10 
    11 inline ll read()
    12 {
    13     ll ans = 0;
    14     char ch = getchar(), last = ' ';
    15     while(!isdigit(ch)) last = ch, ch = getchar();
    16     while(isdigit(ch)) ans = (ans << 1) + (ans << 3) + ch - '0', ch = getchar();
    17     if(last == '-') ans = -ans;
    18     return ans;
    19 }
    20 inline void write(ll x)
    21 {
    22     if(x < 0) x = -x, putchar('-');
    23     if(x >= 10) write(x / 10);
    24     putchar(x % 10 + '0');
    25 }
    26 int L;
    27 int N;
    28 int a[5003];
    29 int main()
    30 {
    31     L = read();
    32     N = read();
    33     _for(i,1,N+1)
    34         a[i] = read();
    35     
    36     int ans1 = 0,ans2 = 0;
    37     _for(i,1,N+1)
    38     {
    39         ans1 = max(ans1,min(a[i],L-a[i]+1));
    40         ans2 = max(ans2,max(a[i],L-a[i]+1));
    41     //    cout << a[i] << " " << L-a[i] << endl;
    42     }
    43     printf("%d %d
    ",ans1,ans2);
    44     return 0;
    45 }
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  • 原文地址:https://www.cnblogs.com/Asurudo/p/11567253.html
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