Borderou de evaluare (job #632609)

Compilare: main.cpp: In function 'void dfs(int)': main.cpp:12:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 12 | for(int i=1;i<=n;i++) | ~^~~ main.cpp: In function 'int main()': main.cpp:18:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 18 | for(int i=1;i<=m;i++) | ~^~~ main.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 24 | for(int j=1;j<=m;j++) | ~^~~ main.cpp:25:17: warning: unused variable 'nr' [-Wunused-variable] 25 | { int nr=0; | ^~ main.cpp:31:15: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 31 | for (int i=1;i<=n;i++) | ~^~~ main.cpp:32:22: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 32 | { if (P[i]=0) | ~~~~^~