mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
96 lines
2.0 KiB
C++
96 lines
2.0 KiB
C++
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <limits.h>
|
|
|
|
int code[6]; //商品代码
|
|
int num[6]; //商品数量
|
|
int price[6]; //商品价格
|
|
int special_num[100][6]; //促销项目各个商品数量
|
|
int special_cnt[100]; //促销项目的商品数量
|
|
int special_price[100]; //促销项目价格
|
|
int basket;
|
|
int special;
|
|
int dp[6][6][6][6][6];
|
|
|
|
int Decode (int c){
|
|
int i;
|
|
for (i=1; i<=5; ++i){
|
|
if (code[i] == c)
|
|
break;
|
|
}
|
|
return i;
|
|
}
|
|
|
|
void Init(){
|
|
int i;
|
|
int j;
|
|
int c;
|
|
int k;
|
|
int index;
|
|
|
|
scanf ("%d", &basket);
|
|
for (i=1; i<=basket; ++i){
|
|
scanf ("%d%d%d", &code[i], &num[i], &price[i]);
|
|
}
|
|
scanf ("%d", &special);
|
|
for (i=1; i<=special; ++i){
|
|
scanf ("%d", &special_cnt[i]);
|
|
for (j=1; j<=special_cnt[i]; ++j){
|
|
scanf ("%d%d", &c, &k);
|
|
index = Decode (c);
|
|
special_num[i][index] = k;
|
|
}
|
|
scanf ("%d", &special_price[i]);
|
|
}
|
|
}
|
|
|
|
void Lowest_Price (){
|
|
int i1, i2, i3, i4, i5;
|
|
int i;
|
|
int tmp1, tmp2;
|
|
memset (dp, -1, sizeof(dp));
|
|
dp[0][0][0][0][0] = 0;
|
|
for (i1=0; i1<=num[1]; ++i1){
|
|
for (i2=0; i2<=num[2]; ++i2){
|
|
for (i3=0; i3<=num[3]; ++i3){
|
|
for (i4=0; i4<=num[4]; ++i4){
|
|
for (i5=0; i5<=num[5]; ++i5){
|
|
tmp1 = INT_MAX;
|
|
tmp2 = INT_MAX;
|
|
for (i=1; i<=special; ++i){
|
|
if (i1 >= special_num[i][1] &&
|
|
i2 >= special_num[i][2] &&
|
|
i3 >= special_num[i][3] &&
|
|
i4 >= special_num[i][4] &&
|
|
i5 >= special_num[i][5]){
|
|
tmp2 = dp[i1-special_num[i][1]]
|
|
[i2-special_num[i][2]]
|
|
[i3-special_num[i][3]]
|
|
[i4-special_num[i][4]]
|
|
[i5-special_num[i][5]] + special_price[i];
|
|
if (tmp1 > tmp2)
|
|
tmp1 = tmp2;
|
|
}
|
|
}
|
|
if (tmp1 != INT_MAX){
|
|
dp[i1][i2][i3][i4][i5] = tmp1;
|
|
}
|
|
else{
|
|
dp[i1][i2][i3][i4][i5] = i1 * price[1] + i2 * price[2]
|
|
+ i3 * price[3] + i4 * price[4] + i5 * price[5];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
printf ("%d\n", dp[num[1]][num[2]][num[3]][num[4]][num[5]]);
|
|
}
|
|
|
|
int main(void){
|
|
Init ();
|
|
Lowest_Price ();
|
|
|
|
return 0;
|
|
}
|