Все задачи на 5.10.17 13:00

uts/uts_2017_sum_cpp/3/B.cpp

@@ -0,0 +1,40 @@
+#include <iostream>
+
+using namespace std;
+//#define DEBUG
+int main() {
+#ifndef DEBUG
+    freopen("count.in", "r", stdin);
+    freopen("count.out", "w", stdout);
+#else
+    freopen("../count.in", "r", stdin);
+#endif
+    long long x[31][31];
+    long long m = 0;
+    long long n = 0;
+    long long s = 0;
+    for (int i = 0; i <= 31; i++) {
+        for (int j = 0; i <= 31; i++) {
+            x[i][j] = 0;
+        }
+    }
+    for (int i = 0; i <= 30; i++) {
+        x[1][i] = 1;
+    }
+
+    cin >> m >> n;
+
+    for (int i = 2; i <= m; i++) {
+        for (int j = 0; j <= n; j++) {
+            for (int k = 0; k <= j; k++) {
+                x[i][j] += x[i-1][k];
+            }
+        }
+    }
+    for (int i = 0; i <= n; i++) {
+        s += x[m][i];
+    }
+    cout << s;
+    fclose(stdout);
+    return 0;
+}

uts/uts_2017_sum_cpp/3/count.in

@@ -0,0 +1 @@
+3 5