Compilare: user.cpp: In function ‘int main()’: user.cpp:62:32: warning: narrowing conversion of ‘a[n][(m + -1)]’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] Punct last = {1, a[n][m - 1]}; ^ user.cpp:64:22: warning: narrowing conversion of ‘(m - j)’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] Punct aux = {m - j, a[n][j]}; ^ user.cpp:64:33: warning: narrowing conversion of ‘a[n][j]’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] Punct aux = {m - j, a[n][j]}; ^ user.cpp:69:26: warning: narrowing conversion of ‘a[(n + -1)][m]’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] last = {1, a[n - 1][m]}; ^ user.cpp:71:22: warning: narrowing conversion of ‘(n - i)’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] Punct aux = {n - i, a[i][m]}; ^ user.cpp:71:33: warning: narrowing conversion of ‘a[i][m]’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] Punct aux = {n - i, a[i][m]}; ^ user.cpp:84:57: warning: narrowing conversion of ‘v[i].Date::val’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] Punct last = {dist(m, n, v[i].x, v[i].y), v[i].val}; ^ user.cpp:87:58: warning: narrowing conversion of ‘v[i].Date::val’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] Punct aux = {dist(m, n, v[i].x, v[i].y), v[i].val}; ^ user.cpp:45:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ace.in", "r", stdin); ^ user.cpp:46:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ace.out", "w", stdout); ^ user.cpp:49:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &p); ^ user.cpp:50:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:54:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i][j]); ^