Compilare: main.cpp: In function 'int main()': main.cpp:76:6: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(sum2==sum3) ^~ main.cpp:79:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(i==val) ^~ main.cpp:69:8: warning: unused variable 'maxx' [-Wunused-variable] int maxx = q[last].first; ^~~~