Borderou de evaluare (job #663793)

Compilare: main.cpp: In function 'void bariere(int)': main.cpp:17:35: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 17 | for(int i=f[x].second+1; i<=c; i++) | ~^~~ main.cpp:28:35: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 28 | for(int i=f[x].second+1; i<=c; i++) | ~^~~ main.cpp: In function 'int main()': main.cpp:49:18: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 49 | for(int i=1;i<=c;i++) | ~^~~ main.cpp:53:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 53 | for(int i=1; i<=r; i++) | ~^~~ main.cpp:55:23: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 55 | for(int j=1; j<=c; j++) | ~^~~ main.cpp:67:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 67 | for(int i=2; i<=r*c; i++) | ~^~~~~ main.cpp:79:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 79 | for(int i=1; i<=r+c-1; i++) | ~^~~~~~~