Compilare: main.cpp: In function 'int umple(int, int, int&)': main.cpp:35:22: warning: unused variable 'j' [-Wunused-variable] int k,x1,y1,k1,i,j; ^ main.cpp: In function 'int main()': main.cpp:67:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=2;i<=m;i++) ^~~ main.cpp:69:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' printf("0"); ^~~~~~ main.cpp:57:6: warning: unused variable 'x' [-Wunused-variable] int x,m,y,i,mx=0,v[62502],b[62502],a[62502]; ^ main.cpp:57:10: warning: unused variable 'y' [-Wunused-variable] int x,m,y,i,mx=0,v[62502],b[62502],a[62502]; ^ main.cpp:55:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bile.in", "r", stdin); ^ main.cpp:56:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bile.out", "w", stdout); ^ main.cpp:58:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ main.cpp:61:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &a[i], &b[i]); ^