01背包
for (int i=1; i<=n; i++) //物品 { for (int j=1; j<=V; j++) //容积 { // 装得下 分为 1.装 2.不装 if (j>=v[i]) dp[j] = max(tmp[j],tmp[j-v[i]]+v[i]); else dp[j] = tmp[j]; // 装不下第i个 } for (int j=1; j<=V; j++) tmp[j] = dp[j]; //滚动数组 }滚动数组
for (int i=1; i<=n; i++) //物品 { for (int j=V; j>=v[i]; j--) //容积 { dp[j] = max(dp[j],dp[j-v[i]]+v[i]); } }无滚动数组 倒着遍历
完全背包
for (int i=1; i<=m; i++) { for (int j=1; j<=t; j++) { if (j<tim[i]) dp[j] = tmp[j]; else dp[j] = max(tmp[j], dp[j-tim[i]]+val[i]); } for (int j=1; j<=t; j++) tmp[j] = dp[j]; }滚动数组
for (int i=1; i<=m; i++) { for (int j=tim[i]; j<=t; j++) { dp[j] = max(dp[j], dp[j-tim[i]]+val[i]); } }无滚动数组 顺着遍历


















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