Compilare: main.cpp: In function 'void fil(int, int, int)': main.cpp:14:9: warning: unused variable 'lin' [-Wunused-variable] int lin, vol, lc, cc, i; ^~~ main.cpp:14:14: warning: unused variable 'vol' [-Wunused-variable] int lin, vol, lc, cc, i; ^~~ main.cpp: In function 'int main()': main.cpp:85:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("delfin.in", "r", stdin); ^ main.cpp:86:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("delfin.out", "w", stdout); ^ main.cpp:91:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%d%d ", &n, &m); ^ main.cpp:100:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%c ", &ch); ^ main.cpp:120:19: warning: 'pc' may be used uninitialized in this function [-Wmaybe-uninitialized] lee(pl, pc, 0); ^ main.cpp:120:19: warning: 'pl' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:132:20: warning: 'fc' may be used uninitialized in this function [-Wmaybe-uninitialized] lee2(fl, fc, 0); ^ main.cpp:132:20: warning: 'fl' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:119:19: warning: 'sc' may be used uninitialized in this function [-Wmaybe-uninitialized] lee(sl, sc, 1); ^ main.cpp:119:19: warning: 'sl' may be used uninitialized in this function [-Wmaybe-uninitialized]