Compilare: main.cpp: In function 'int main()': main.cpp:95:19: warning: narrowing conversion of '((- c[i]) / a[i])' from 'int' to 'ld {aka long double}' inside { } [-Wnarrowing] p1 = {-c[i] / a[i], 0}; ~~~~~~^~~~~~ main.cpp:96:19: warning: narrowing conversion of '((- c[i]) / a[i])' from 'int' to 'ld {aka long double}' inside { } [-Wnarrowing] p2 = {-c[i] / a[i], 1}; ~~~~~~^~~~~~ main.cpp:98:24: warning: narrowing conversion of '((- c[i]) / b[i])' from 'int' to 'ld {aka long double}' inside { } [-Wnarrowing] p1 = {0, -(c[i]) / b[i]}; ~~~~~~~~^~~~~~ main.cpp:99:31: warning: narrowing conversion of '((-(c[i] + a[i])) / b[i])' from 'int' to 'ld {aka long double}' inside { } [-Wnarrowing] p2 = {1, -(c[i] + a[i]) / b[i]}; ~~~~~~~~~~~~~~~^~~~~~ main.cpp:79:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("input", "r", stdin); ^ main.cpp:44:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] #define files(TASK_NAME) read(TASK_NAME); write(TASK_NAME) ^ main.cpp:81:5: note: in expansion of macro 'files' files(TASK_NAME); ^~~~~ main.cpp:81:21: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] files(TASK_NAME); ^