【HDOJ】1963 Investment

完全背包。

 #include <stdio.h>
 #include <string.h>
 
 #define max(a, b) (a>b) ? a:b
 
 int val[], an[];
 int dp[];
 
 int main() {
     int case_n;
     int n, m, year;
     int i, j, k;
 
     scanf("%d", &case_n);
 
     while (case_n--) {
         scanf("%d %d", &m, &year);
         scanf("%d", &n);
         for (i=; i<=n; ++i) {
             scanf("%d %d", &val[i], &an[i]);
             val[i] /= ;
         }
         for (k=; k<=year; ++k) {
             memset(dp, , sizeof(dp));
             for (i=; i<=n; ++i) {
                 for (j=val[i]; j<=m/; ++j)
                     dp[j] = max(dp[j], dp[j-val[i]]+an[i]);
             }
             //printf("%dyear:%d\n", k, dp[m/1000]);
             m += dp[m/];
         }
         printf("%d\n", m);
     }
 
     return ;
 }