0_0_32266863_14465.cpp: In function 'void solve()': 0_0_32266863_14465.cpp:66:11: error: expected primary-expression before ';' token for(i=;i<=l/2;i++)//i<=len/2浼樺寲浜嗭紝鏋氫妇闀垮害涓嶅悓鐨勫惊鐜妭 ^