[20251008] BOJ / P5 / 전투기 출격 / 권혁준

Author: oncsr

khj20006/202510/08 BOJ P5 전투기 출격.md

@@ -0,0 +1,43 @@
+```cpp
+#include <bits/stdc++.h>
+using namespace std;
+using ll = long long;
+
+ll N, M, R, d[101][101]{}, e[101]{}, v[100001]{}, s[100001]{};
+
+int main(){
+    cin.tie(0)->sync_with_stdio(0);
+    
+    cin>>N>>M>>R;
+    for(int i=1;i<=M;i++) for(int j=1;j<=M;j++) cin>>d[i][j];
+    for(int i=1;i<=M;i++) for(int j=1;j<=M;j++) for(int k=1;k<=M;k++) d[j][k] = min(d[j][k], d[j][i] + d[i][k]);
+
+    for(int i=1;i<=M;i++) cin>>e[i];
+
+    for(int p=1,i=1;i<=N;i++) {
+        cin>>v[i];
+        s[i] = s[i-1] + d[p][v[i]];
+        p = v[i];
+    }
+
+    ll mn = 1e18, ans = 1e18;
+    for(int i=1;i<=N;i++) {
+        int l = i, r = N, m = (l+r)>>1;
+        ll f = s[i] + e[v[i]];
+        while(l<r) {
+            ll z = 0;
+            if(m < N) z += d[v[i]][v[m+1]] + s[N]-s[m+1];
+            if(f+z <= R) r = m;
+            else l = m+1;
+            m = (l+r)>>1;
+        }
+        ll cnt = m-i, res = f;
+        if(m < N) res += d[v[i]][v[m+1]] + s[N]-s[m+1];
+        if(res > R) continue;
+        if(cnt < mn || (cnt == mn && res < ans)) mn = cnt, ans = res;
+    }
+    if(mn == 1e18) cout<<-1;
+    else cout<<mn<<' '<<ans;
+
+}
+```