'commit'

TangDou/LuoGuBook/第8章模拟与高精度/P1067_2.cpp

@@ -0,0 +1,48 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+/*
+5
+100 -1 1 -3 0 10
+*/
+int main() {
+    int n;
+    cin >> n;
+    int a;
+    for (int i = 0; i < n; i++) {
+        cin >> a;
+        if (a > 0) {
+            if (i > 0) cout << "+";
+            if (a > 1) {
+                if (n - i == 1)
+                    cout << a << "x";
+                else
+                    cout << a << "x^" << n - i;
+            } else {
+                if (n - i == 1)
+                    cout << "x";
+                else
+                    cout << "x^" << n - i;
+            }
+
+        } else if (a < 0) {
+            if (a == -1) {
+                if (n - i == 1)
+                    cout << "-x";
+                else
+                    cout << "-x^" << n - i;
+            } else {
+                if (n - i == 1)
+                    cout << a << "x";
+                else
+                    cout << a << "x^" << n - i;
+            }
+        }
+    }
+    cin >> a;
+    if (a > 0)
+        cout << "+" << a << endl;
+    else if (a < 0)
+        cout << a << endl;
+    return 0;
+}