View Compilation Error

0_0_34765763_6036.cpp:1:9: error: expected unqualified-id before 'for'
         for(i=0;i<strlen(s); i++){//判断子串 time exceed！！！ 
         ^
0_0_34765763_6036.cpp:1:17: error: 'i' does not name a type
         for(i=0;i<strlen(s); i++){//判断子串 time exceed！！！ 
                 ^
0_0_34765763_6036.cpp:1:30: error: 'i' does not name a type
         for(i=0;i<strlen(s); i++){//判断子串 time exceed！！！ 
                              ^