Compilare: main.cpp: In function 'int main()': main.cpp:31:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=v[nr][0]+1; i<=r; i++) ^~~ main.cpp:37:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' nr++; ^~ main.cpp:8:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bemo.in","r",stdin); ^ main.cpp:9:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bemo.out","w",stdout); ^ main.cpp:11:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&r,&c); ^ main.cpp:15:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a[i][j]); ^