carte1.cpp: In function 'int main()': carte1.cpp:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result carte1.cpp:12: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result carte1.cpp:16: warning: 'zi' may be used uninitialized in this function