P1095-守望者的逃离

曾经终败给现在 2023-06-01 08:52 30阅读 0赞

1 #pragma GCC optimize("Ofast")
     2 #include <bits/stdc++.h>
     3 #define maxn 13003
     4 #define _for(i,a,b) for(int i = (a);i < b;i ++)
     5 typedef long long ll;
     6 using namespace std;
     7 
     8 inline ll read()
     9 {
    10     ll ans = 0;
    11     char ch = getchar(), last = ' ';
    12     while(!isdigit(ch)) last = ch, ch = getchar();
    13     while(isdigit(ch)) ans = (ans << 1) + (ans << 3) + ch - '0', ch = getchar();
    14     if(last == '-') ans = -ans;
    15     return ans;
    16 }
    17 inline void write(ll x)
    18 {
    19     if(x < 0) x = -x, putchar('-');
    20     if(x >= 10) write(x / 10);
    21     putchar(x % 10 + '0');
    22 }
    23 int M,S,T;
    24 int SS,TT;
    25 int main()
    26 {
    27     M = read(),S = read(),T = read();
    28     SS = S;TT = T;
    29     int i;
    30     for(i = 0;i < T;i ++)
    31     {
    32         if(S <= 0) break;
    33         if(M >= 10)
    34         {
    35             M -= 10;
    36             S -= 60;
    37         }
    38         else if(((T-i<=1||S<=17)&&M<10) || ((T-i<=2||S<=34)&&M<6)
    39          || ((T-i<=3||S<=51)&&M<2) || ((T-i<=4||S<=68)&&M<2)
    40          || ((T-i<=5||S<=85)&&M<2) || ((T-i<=6||S<=102)&&M<2)
    41          || (S<=119&&M<2))
    42             S -= 17;
    43         else if(M >= 2)
    44             M += 4;
    45         else if(S >= 120 && T-i >= 7)
    46         {
    47             while(S >= 120 && T-i >= 7)
    48             {
    49                 i += 7;
    50                 S -= 120;
    51             }
    52             i --;
    53         }
    54     }
    55     if(S <= 0)
    56         printf("Yes\n%d\n",i);
    57     else
    58         printf("No\n%d\n",SS-S);
    59     return 0;
    60 }

[https://www.luogu.org/blog/Asurudo/solution-p1095][https_www.luogu.org_blog_Asurudo_solution-p1095]

转载于:https://www.cnblogs.com/Asurudo/p/11368290.html

[https_www.luogu.org_blog_Asurudo_solution-p1095]: https://www.luogu.org/blog/Asurudo/solution-p1095