Compilare: main.cpp: In function 'void remov(int, int)': main.cpp:26:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int ii=0; ii<=x[dp[i][j]].size()-1 and poz==-1; ii++) ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:32:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int ii=poz; ii<x[dp[i][j]].size()-1; ii++) ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void add(int, int)': main.cpp:41:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int ii=0; ii<=x[dp[i][j]].size()-1; ii++) ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:42:58: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if(x[dp[i][j]][ii].l2<i or x[dp[i][j]][ii].l2==i and x[dp[i][j]][ii].c2<j) main.cpp: In function 'int main()': main.cpp:122:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int ii=0; ii<=x[dp[i][j]].size()-1 and poz==-1; ii++) ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:127:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int ii=poz; ii<x[dp[i][j]].size()-1; ii++) ~~^~~~~~~~~~~~~~~~~~~~~