HDU 2573 打字 （2577动态规划）

#include <iostream>#include <string>using namespace std;int main(){int t; cin >> t;while(t--){int n;int flag = 0;char a[10];cin >> n;while(n--){cin >> a;if(strcmp("Caps", a) == 0){if(flag == 0)flag = 1;elseflag = 0;continue;}if(strcmp("Shift", a) == 0){cin >> a;if(flag == 1)putchar(tolower(a[0]));elseputchar(toupper(a[0]));continue;}if(flag == 0)putchar( tolower(a[0]));else if(flag == 1)putchar( toupper(a[0]));}cout << endl;}return 0;}