Compilare: main.cpp: In function 'int main()': main.cpp:10:23: warning: unused variable 'sumMax' [-Wunused-variable] int n, maxWeight, sumMax, l=0; ^~~~~~ main.cpp:14:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("rucsac.in", "r", stdin); ^ main.cpp:15:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("rucsac.out", "w", stdout); ^ main.cpp:16:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &maxWeight); ^ main.cpp:19:46: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &weight[i], &profit[i]); ^