Compilare: main.cpp: In function 'int task2()': main.cpp:56:9: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.cpp:59:11: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' if ( sec.size() == 2 ) ^~ main.cpp:68:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'void task3()': main.cpp:97:9: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.cpp:100:11: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' if ( sec.size() == 2 ) ^~ main.cpp:111:17: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if ( sw = 0 ) best = max ( best , tim - d ) ; ^