">int main() { int n = 0; int m = 0; scanf("%d %d",&n,&m); char s[n]; scanf("%s",&s); int i = 0; int l = 0,r = 0; char c1,c2; int flag = 1; for(i = 0;i<m;i++)//输入m行 { int j = 0; scanf("%d %d %c %c",&l,&r,&c1,&...