atcoder/abc060D

Author: xirc

atcoder/abc060/D/main.cpp

@@ -0,0 +1,45 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+using ll = long long;
+
+int N, W;
+vector<int> wss, vss;
+
+int solve() {
+    map<int,int> dp;
+    dp[0] = 0;
+
+    for (int i = 0; i < N; ++i) {
+        auto ndp = dp;
+        for (auto e : dp) {
+            auto w = e.first, v = e.second;
+            int nw = w + wss[i];
+            int nv = v + vss[i];
+            if (nw > W) continue;
+            ndp[nw] = max(ndp[nw], nv);
+        }
+        dp = ndp;
+    }
+
+    int ans = 0;
+    for (auto e : dp) {
+        ans = max(ans, e.second);
+    }
+    return ans;
+}
+
+int main() {
+    ios_base::sync_with_stdio(false);
+    cin.tie(0); cout.tie(0);
+    
+    cin >> N >> W;
+    wss.assign(N, 0);
+    vss.assign(N, 0);
+    for (int i = 0; i < N; ++i) {
+        cin >> wss[i] >> vss[i];
+    }
+    cout << solve() << endl;
+
+    return 0;
+}