1 /*2 Test Instructions:3 That means there are 1,5,10 three kinds of coins, to buy Coke at the vending machine, Unit price 8,4 can only buy one bottle at a time, then the vending machine change, and then take the rest of the money to buy again,5 Given the amount of Coke to buy and the number of 1,5,10 three currencies, ask at least how many coins to give. 6 for example, 2 2 1 1, to buy 2 bottles of Coke, first give 10 pieces, the remaining 1,5,10 coins 4 1 0 pieces,7 give me another 5, 3, 1, so I'll give you a total of 5 coins .8 9 */Ten#include <cstdio> One#include <cstring> A#include <algorithm> - #defineINF 0x3f3f3f3f - using namespacestd; the intC,n1,n5,n10; - intdp[850][ -][ Max]; - intDfsintOintFintTintCNT) - { + if(o*1+f*5+t*Ten<8)return 0; - if(cnt = = c)return 0; + if(dp[o][f][t]! = INF)returnDp[o][f][t]; A at if(T >=1) -dp[o][f][t]= min (dp[o][f][t], DFS (o+2, f,t-1, cnt+1)+1); - if(F >=2) -Dp[o][f][t] = min (dp[o][f][t], DFS (o+2, F-2, t,cnt+1)+2); - if(F >=1&& o >=3) -Dp[o][f][t] = min (dp[o][f][t], DFS (o3, F-1, t,cnt+1)+4); in if(o>=3&& t>=1 ) -Dp[o][f][t] = min (dp[o][f][t], DFS (o3, f+1, T1, cnt+1)+4); to if(O >=8) +Dp[o][f][t] = min (dp[o][f][t], DFS (o8, f,t,cnt+1) +8 ) ; - returnDp[o][f][t]; the } * intMain () $ {Panax Notoginseng intT; -scanf"%d",&t); the while(t--) + { Ascanf"%d%d%d%d",&c,&n1,&n5,&N10); thememset (Dp,inf,sizeof(DP)); +dp[0][0][0]=0; -DFS (N1,N5,N10,0); $printf"%d\n", Dp[n1][n5][n10]); $ } - return 0; - } the - /*Wuyi #include <cstdio> the #include <cstring> - #include <algorithm> Wu #define INF 0x3f3f3f3f - using namespace std; About int c,n1,n5,n10; $ int dp[800][200][100]; - int dfs (int o,int f,int t,int cnt) - { - if (O*1+f*5+t*10 < 8) return 0; A if (cnt = = 0) return 0; + if (dp[o][f][t]! =-1) return dp[o][f][t]; the - dp[o][f][t] = INF; $ if (t >= 1) the dp[o][f][t]= min (dp[o][f][t], DFS (o+2,f,t-1,cnt-1) +1); the if (f >= 2) the dp[o][f][t] = min (dp[o][f][t], DFS (o+2,f-2,t,cnt-1) +2); the if (f >= 1 && o >= 3) - dp[o][f][t] = min (dp[o][f][t], DFS (o-3,f-1,t,cnt-1) +4); in if (o>=3 && t>=1) the dp[o][f][t] = min (dp[o][f][t], DFS (o-3,f+1,t-1,cnt-1) +4); the if (o >=8) About dp[o][f][t] = min (dp[o][f][t], DFS (O-8,F,T,CNT-1) + 8); the return dp[o][f][t]; the } the int main () + { - int t; the scanf ("%d", &t);Bayi While (t--) the { the scanf ("%d%d%d%d", &c,&n1,&n5,&n10); - memset (Dp,-1,sizeof (DP)); - dp[0][0][0]=0; the DFS (N1,N5,N10,C); the printf ("%d\n", Dp[n1][n5][n10]); the } the return 0; - } the the */
10626-buying Coke