P1147 连续自然数和

R69143840

Luogu/P1147/P1147.cpp

@@ -0,0 +1,23 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+#define endl '\n'
+
+int m, sum, j;
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin >> m;
+    for (int i = 1; i <= m / 2; i++) {
+        sum = 0;
+        for (j = i; j < m; j++) {
+            sum += j;
+            if (sum >= m) break;
+        }
+        if (sum == m) {
+            cout << i << ' ' << j << endl;
+        }
+    }
+    return 0;
+}