Compilare: main.cpp: In function 'int main()': main.cpp:13:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=t;i++){ ~^~~ main.cpp:18:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int key=1;key<=n;key++){ ~~~^~~ main.cpp:22:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int seif=1;seif<=m;seif++){ ~~~~^~~ main.cpp:26:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int key=1;key<=n;key++){ ~~~^~~ main.cpp:27:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int seif=1;seif<=n;seif++){ ~~~~^~~ main.cpp:43:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ~^~~ main.cpp:17:13: warning: unused variable 'c' [-Wunused-variable] int c[n],s[m],indexc[n],rangc[n],indexs[m],rangs[m]; ^ main.cpp:17:18: warning: unused variable 's' [-Wunused-variable] int c[n],s[m],indexc[n],rangc[n],indexs[m],rangs[m]; ^