题目链接如下:
终于有一道连我都觉得很水的题……
网上大部分是用sort + lower_bound做(跟刘汝佳书上一样),我感觉find函数好用多了呀…还有一个比较少见的方法是桶排序:如下,也挺好使。UVA - 10474 - Where is the Marble? (基数排序)_raju and meena-CSDN博客
我的代码如下:
- #include
- #include
- #include
- // #define debug
-
- int main(){
- #ifdef debug
- freopen("0.txt", "r", stdin);
- freopen("1.txt", "w", stdout);
- #endif
- int n, q, k, kase = 0;
- while(scanf("%d %d", &n, &q) == 2 && n && q){
- std::vector<int> vec(n);
- for(int i = 0; i < n; ++i){
- scanf("%d", &vec[i]);
- }
- sort(vec.begin(), vec.end());
- printf("CASE# %d:\n", ++kase);
- for(int i = 0; i < q; ++i){
- scanf("%d", &k);
- auto result = find(vec.begin(), vec.end(), k);
- if(result == vec.end()){
- printf("%d not found\n", k);
- } else{
- printf("%d found at %d\n", k, result - vec.begin() + 1);
- }
- }
- }
- #ifdef debug
- fclose(stdin);
- fclose(stdout);
- #endif
- return 0;
- }