new file: 3.cpp

2026-08-14 09:07:03 +08:00
parent d47232e792
commit 0d9b6ebb4f
1 changed files with 28 additions and 0 deletions
@@ -0,0 +1,28 @@
+// 90
+#include <iostream>
+using namespace std;
+long long a, b, p;
+void put(__int128 a)
+{
+    char c[40];
+    if (a == 0)
+        puts("0");
+    int tot = 0;
+    while (a > 0)
+    {
+        c[tot++] = a % 10 + '0';
+        a /= 10;
+    }
+    for (int i = tot - 1; i >= 0; --i)
+    {
+        putchar(c[i]);
+    }
+    puts("");
+}
+int main()
+{
+    cin >> a >> b >> p;
+    __int128 ans = (a % p) * (b % p) % p;
+    put(ans);
+    return 0;
+}