tv1.cpp: In function 'int main()': tv1.cpp:10: warning: unused variable 'sp' tv1.cpp:10: warning: unused variable 'x' tv1.cpp:10: warning: unused variable 'maxinterv' tv1.cpp:10: warning: unused variable 'interv' tv1.cpp:10: warning: unused variable 'sf' tv1.cpp:10: warning: unused variable 'tot' tv1.cpp:11: warning: unused variable 'c' tv1.cpp:12: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result tv1.cpp:16: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result tv1.cpp:17: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result tv1.cpp:10: warning: 'sa' may be used uninitialized in this function