| /* |
| * Copyright 2011, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <time.h> |
| |
| int main() { |
| srand(time(NULL)); |
| |
| unsigned int ans = rand() % 100; |
| unsigned int user = 100; |
| unsigned int left = 0; |
| unsigned int right = 99; |
| |
| printf("Hello, droid! Let's play a number guessing game!\n"); |
| |
| while (user != ans) { |
| printf("Please input a number [%d-%d]:\n", left, right); |
| |
| if (scanf("%u", &user) != 1) { |
| break; |
| } |
| |
| if (user < left || user > right) { |
| /* Out of range, ignore this answer. */ |
| continue; |
| } else if (user == ans) { |
| printf("You got it!\n"); |
| break; |
| } else if (user < ans) { |
| left = user; |
| } else { |
| right = user; |
| } |
| } |
| |
| return 0; |
| } |