Compilare: main.cpp:13:19: warning: integer constant is so large that it is unsigned if(summ[n] != MINF) ^~~~ main.cpp:16:27: warning: integer constant is so large that it is unsigned long long sp, spmax = MINF; ^~~~ main.cpp:40:16: warning: integer constant is so large that it is unsigned maxx = MINF; ^~~~ main.cpp:44:23: warning: integer constant is so large that it is unsigned summ[i] = MINF; ^~~~ main.cpp:54:27: warning: integer constant is so large that it is unsigned if(summ[i] == MINF) ^~~~ main.cpp: In function 'int main()': main.cpp:34:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("easygraph.in", "r", stdin); ^ main.cpp:35:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("easygraph.out", "w", stdout); ^ main.cpp:36:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &t); ^ main.cpp:39:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ main.cpp:43:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", val + i); ^ main.cpp:49:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &y); ^