Compilare: main.cpp: In function 'int32_t main()': main.cpp:68:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 68 | if(bb*bb-4*aa*cc<0) | ^~ main.cpp:70:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 70 | double x1=-1,x2=-1; | ^~~~~~ main.cpp:81:38: warning: narrowing conversion of 'x1' from 'double' to 'long long int' [-Wnarrowing] 81 | v.push_back({i,j,x1}); | ^~ main.cpp:83:40: warning: narrowing conversion of '(x1 + (double)1)' from 'double' to 'long long int' [-Wnarrowing] 83 | v.push_back({i,j,x1+1}); | ~~^~ main.cpp:79:19: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 79 | if(x1>0) | ^ main.cpp:87:36: warning: narrowing conversion of '(x1 + (double)1)' from 'double' to 'long long int' [-Wnarrowing] 87 | v.push_back({j,i,x1+1}); | ~~^~ main.cpp:96:40: warning: narrowing conversion of '(x1 + (double)1)' from 'double' to 'long long int' [-Wnarrowing] 96 | v.push_back({j,i,x1+1}); | ~~^~ main.cpp:101:42: warning: narrowing conversion of 'x1' from 'double' to 'long long int' [-Wnarrowing] 101 | v.push_back({i,j,x1}); | ^~ main.cpp:103:44: warning: narrowing conversion of '(x1 + (double)1)' from 'double' to 'long long int' [-Wnarrowing] 103 | v.push_back({i,j,x1+1}); | ~~^~ main.cpp:110:38: warning: narrowing conversion of 'x2' from 'double' to 'long long int' [-Wnarrowing] 110 | v.push_back({i,j,x2}); | ^~ main.cpp:112:40: warning: narrowing conversion of '(x2 + (double)1)' from 'double' to 'long long int' [-Wnarrowing] 112 | v.push_back({i,j,x2+1}); | ~~^~ main.cpp:116:44: warning: narrowing conversion of '(x1 + (double)1)' from 'double' to 'long long int' [-Wnarrowing] 116 | v.push_back({j,i,x1+1}); | ~~^~ main.cpp:124:19: warning: unused variable 'lasttime' [-Wunused-variable] 124 | int p1=0,p2=1,lasttime=0,siz=v.size(); | ^~~~~~~~