【Codeforces】 487A Fight the Monster

注意暴力的上届不要取小了。。。还有暴力的姿势要对。。。。

#include <iostream>#include <queue> #include <stack> #include <map> #include <set> #include <bitset> #include <cstdio> #include <algorithm> #include <cstring> #include <climits>#include <cstdlib>#include <cmath>#include <time.h>#define maxn 1005#define maxm 1000005#define eps 1e-10#define mod 1000000007#define INF 0x3f3f3f3f#define PI (acos(-1.0))#define lowbit(x) (x&(-x))#define mp make_pair#define ls o<<1#define rs o<<1 | 1#define lson o<<1, L, mid #define rson o<<1 | 1, mid+1, R//#pragma comment(linker, "/STACK:16777216")typedef long long LL;typedef unsigned long long ULL;//typedef int LL;using namespace std;LL qpow(LL a, LL b){LL res=1,base=a;while(b){if(b%2)res=res*base;base=base*base;b/=2;}return res;}LL powmod(LL a, LL b){LL res=1,base=a;while(b){if(b%2)res=res*base%mod;base=base*base%mod;b/=2;}return res;}void scanf(int &__x){__x=0;char __ch=getchar();while(__ch==' '||__ch=='\n')__ch=getchar();while(__ch>='0'&&__ch<='9')__x=__x*10+__ch-'0',__ch = getchar();}LL gcd(LL _a, LL _b){if(!_b) return _a;else return gcd(_b, _a%_b);}// headint h1, a1, d1;int h2, a2, d2;int t1, t2, t3;void read(void){scanf("%d%d%d", &h1, &a1, &d1);scanf("%d%d%d", &h2, &a2, &d2);scanf("%d%d%d", &t1, &t2, &t3);}void work(void){int ans = INF;for(int i = 0; i <= 200; i++) {for(int j = 0; j <= 200; j++) {if(a1 + i <= d2) continue;if(a2 <= d1 + j) {ans = min(ans, t2 * i + t3 * j);continue;}else {int t = h2 / (a1 + i - d2);if(h2 % (a1 + i - d2) != 0) t++;t = t * (a2 - d1 - j);if(t < h1) ans = min(ans, t2 * i + t3 * j);else ans = min(ans, t2 * i + t3 * j + (t - h1 + 1) * t1);}}}printf("%d\n", ans);}int main(void){read();work();return 0;}