Main.cc: In function ‘int main()’: Main.cc:6:18: error: expected ‘;’ before ‘<=’ token for(int i=1,i<=n;i++) { ^~ Main.cc:6:18: error: expected primary-expression before ‘<=’ token Main.cc:9:20: error: expected ‘;’ before ‘<=’ token for(int i=1,i<=n;i++) { ^~ Main.cc:9:20: error: expected primary-expression before ‘<=’ token Main.cc:10:10: warning: unused variable ‘ansl’ [-Wunused-variable] int ansl=0,ansr=0; ^~~~ Main.cc:10:17: warning: unused variable ‘ansr’ [-Wunused-variable] int ansl=0,ansr=0; ^~~~ Main.cc:13:20: error: expected ‘;’ before ‘<=’ token for(int j=0,j<=n;j++) { ^~ Main.cc:13:20: error: expected primary-expression before ‘<=’ token Main.cc:16:15: error: ‘ansl’ was not declared in this scope ansl=j; ^~~~ Main.cc:16:15: note: suggested alternative: ‘ffsl’ ansl=j; ^~~~ ffsl Main.cc:19:15: error: ‘ansr’ was not declared in this scope ansr=j; ^~~~ Main.cc:19:15: note: suggested alternative: ‘abs’ ansr=j; ^~~~ abs Main.cc:22:27: error: ‘ansl’ was not declared in this scope printf("%d%d\n",ansl,ansr); ^~~~ Main.cc:22:27: note: suggested alternative: ‘ffsl’ printf("%d%d\n",ansl,ansr); ^~~~ ffsl Main.cc:22:32: error: ‘ansr’ was not declared in this scope printf("%d%d\n",ansl,ansr); ^~~~ Main.cc:22:32: note: suggested alternative: ‘abs’ printf("%d%d\n",ansl,ansr); ^~~~ abs Main.cc:27:1: error: expected ‘}’ at end of input } ^ Main.cc:7:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&h[i],&l[i],&r[i]); ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~