Add FZOI Codes

FZOI/「USACO2007MAR」Monthly Expense.cpp

@@ -0,0 +1,49 @@
+#include <cstdio>
+#include <cstring>
+#include <algorithm>
+#include <cstdlib>
+#include <cmath>
+using namespace std;
+int a[110000];
+int s[110000];
+int n, m;
+bool check(int x)
+{
+    int len = 1, d = 0;
+    for (int i = 1; i <= n; i++)
+    {
+        if (a[i] > x)
+            return false;
+        if (d + a[i] > x)
+        {
+            len++;
+            d = a[i];
+            if (len > m)
+                return false;
+        }
+        else
+            d += a[i];
+    }
+    return true;
+}
+int main()
+{
+    scanf("%d%d", &n, &m);
+    for (int i = 1; i <= n; i++)
+        scanf("%d", &a[i]);
+    int l = 0, r = 1000000000;
+    int ans = 0;
+    while (l <= r)
+    {
+        int mid = (l + r) / 2;
+        if (check(mid) == true)
+        {
+            ans = mid;
+            r = mid - 1;
+        }
+        else
+            l = mid + 1;
+    }
+    printf("%d\n", ans);
+    return 0;
+}