View Compilation Error

0_0_21928242_15848.cpp: In function 'int main()':
0_0_21928242_15848.cpp:90:57: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
                 while (u-cnt[j-v+1] >= k||v > s/2)&&v > 1){//小心k == 0的情况。。。
                                                         ^
0_0_21928242_15848.cpp:90:58: error: expected ';' before ')' token
                 while (u-cnt[j-v+1] >= k||v > s/2)&&v > 1){//小心k == 0的情况。。。
                                                          ^
0_0_21928242_15848.cpp:90:53: error: label 'v' used but not defined
                 while (u-cnt[j-v+1] >= k||v > s/2)&&v > 1){//小心k == 0的情况。。。
                                                     ^