Compilare: main.cpp: In function 'int main()': main.cpp:41:21: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=] printf("%d", sol); ^ main.cpp:19:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("volum.in", "r", stdin); ^ main.cpp:20:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("volum.out", "w", stdout); ^ main.cpp:21:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ main.cpp:23:55: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(j=1; j<=m; ++j) scanf("%d", &height[i][j]); ^