Borderou de evaluare (job #667221)

Compilare: main.cpp: In function 'void bariere(int)': main.cpp:19:35: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 19 | for(int i=f[x].second+1; i<=c; i++) | ~^~~ main.cpp:30:35: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 30 | for(int i=f[x].second+1; i<=c; i++) | ~^~~ main.cpp: In function 'int main()': main.cpp:51:18: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 51 | for(int i=1;i<=c;i++) | ~^~~ main.cpp:55:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 55 | for(int i=1; i<=r; i++) | ~^~~ main.cpp:57:23: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 57 | for(int j=1; j<=c; j++) | ~^~~ main.cpp:69:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 69 | for(int i=2; i<=r*c; i++) | ~^~~~~ main.cpp:81:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 81 | for(int i=1; i<=r+c-1; i++) | ~^~~~~~~