Compilare: main.cpp: In function 'int main()': main.cpp:9:33: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long int*' [-Wformat=] scanf("%d%d%d%d",&n,&m,&x,&y); ^ main.cpp:9:33: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long int*' [-Wformat=] main.cpp:9:33: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'long int*' [-Wformat=] main.cpp:9:33: warning: format '%d' expects argument of type 'int*', but argument 5 has type 'long int*' [-Wformat=] main.cpp:12:32: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long int*' [-Wformat=] scanf("%d",&a[i][j]); ^ main.cpp:7:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cri.in","r",stdin); ^ main.cpp:8:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cri.out","w",stdout); ^ main.cpp:9:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&n,&m,&x,&y); ^ main.cpp:12:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a[i][j]); ^