Compilare: main.cpp: In function 'int main()': main.cpp:25:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(i+j<=n) ^~ main.cpp:27:21: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(i*(j+k)+j*(i+k)+k*(i+j)==m){ ^~ main.cpp:6:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] { freopen("intersect.in", "r", stdin); ^ main.cpp:7:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("intersect.out", "w", stdout); ^ main.cpp:9:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &t); ^ main.cpp:22:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ main.cpp:8:19: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized] int t,n,m,i,j,k; ^ main.cpp:27:33: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized] if(i*(j+k)+j*(i+k)+k*(i+j)==m){ ~^~~~~~