Created
August 24, 2021 01:19
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| #include <stdio.h> | |
| #include <string.h> | |
| #include <math.h> | |
| #include <stdlib.h> | |
| int main() { | |
| int n; | |
| scanf("%i", &n); | |
| char str[n]; | |
| scanf("%s", str); | |
| int level = 0, result = 0, valley = 0; | |
| for (int i = 0; i < n; i++) { | |
| if(str[i] == 'U') { | |
| level++; | |
| if(level == 0 && valley) { | |
| valley = 0; | |
| result++; | |
| } | |
| } | |
| else if(str[i] == 'D') { | |
| if(level == 0) | |
| valley = 1; | |
| level--; | |
| } | |
| } | |
| printf("%i", result); | |
| return 0; | |
| } |
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