Compilare: main.cpp: In function 'int main()': main.cpp:5:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define max(a, b) (a>b?a:b) main.cpp:35:45: if(List[x].L>=List[x].S) Sol[i]=max(Sol[i], List[x].S*List[x].P); ~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:35:41: note: in expansion of macro 'max' if(List[x].L>=List[x].S) Sol[i]=max(Sol[i], List[x].S*List[x].P); ^~~ main.cpp:18:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("gard.in", "r", stdin); ^ main.cpp:19:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("gard.out", "w", stdout); ^ main.cpp:20:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &N, &K); ^ main.cpp:21:77: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(i=1; i<=K; ++i) {scanf("%d%d%d", &List[i].L, &List[i].P, &List[i].S); Sol[List[i].S]=1;} ^