USACO3.24Feed Ratios
直接枚举到100水过
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
1 /* 2 ID: shangca2 3 LANG: C++ 4 TASK: ratios 5 */ 6 #include <iostream> 7 #include<cstdio> 8 #include<cstring> 9 #include<algorithm> 10 #include<stdlib.h> 11 using namespace std; 12 #define INF 0xfffffff 13 int a[10][10]; 14 int main() 15 { 16 freopen("ratios.in","r",stdin); 17 freopen("ratios.out","w",stdout); 18 int i,j,x,y,z,g,o1,o2,o3,o4; 19 cin>>x>>y>>z; 20 for(i = 1; i <= 3 ; i++) 21 for(j = 1; j <= 3 ; j++) 22 cin>>a[i][j]; 23 int minz = INF; 24 for(i = 0; i <= 100 ; i++) 25 for(j = 0 ; j <= 100 ; j++) 26 for(g = 0 ; g <= 100 ; g++) 27 { 28 int xx = i*a[1][1]+j*a[2][1]+g*a[3][1]; 29 int yy = i*a[1][2]+j*a[2][2]+g*a[3][2]; 30 int zz = i*a[1][3]+j*a[2][3]+g*a[3][3]; 31 if(xx+yy+zz<(x+y+z)) 32 continue; 33 if(double(xx)/double(yy)==double(x)/double(y)&&double(yy)/double(zz)==double(y)/double(z)) 34 { 35 if(minz>(i+j+g)) 36 { 37 o1 = i; 38 o2 = j; 39 o3 = g; 40 o4 = xx/x; 41 minz = i+j+g; 42 } 43 } 44 } 45 if(minz!=INF) 46 cout<<o1<<" "<<o2<<" "<<o3<<" "<<o4<<endl; 47 else 48 puts("NONE"); 49 return 0; 50 }