vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:14:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
14 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
| ^
vision.cpp:34:3: note: in expansion of macro 'fp'
34 | fp(i,0,h){
| ^~
vision.cpp:14:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
14 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
| ^
vision.cpp:35:4: note: in expansion of macro 'fp'
35 | fp(j,0,w){
| ^~
vision.cpp:38:15: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
38 | if(i == 0 && j == 0 ||i == 0 && j == w-1 || i == h-1 && j == 0 || i == h-1 && j == w-1){
| ~~~~~~~^~~~~~~~~
vision.cpp:38:58: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
38 | if(i == 0 && j == 0 ||i == 0 && j == w-1 || i == h-1 && j == 0 || i == h-1 && j == w-1){
| ~~~~~~~~~^~~~~~~~~
vision.cpp:38:80: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
38 | if(i == 0 && j == 0 ||i == 0 && j == w-1 || i == h-1 && j == 0 || i == h-1 && j == w-1){
| ~~~~~~~~~^~~~~~~~~~~
vision.cpp:15:28: warning: unnecessary parentheses in declaration of 'k' [-Wparentheses]
15 | #define fpp(a,i,c) for(int (a) = (i); (a) <= (c); (a)++)
| ^
vision.cpp:39:6: note: in expansion of macro 'fpp'
39 | fpp(k,-1,1){
| ^~~
vision.cpp:15:28: warning: unnecessary parentheses in declaration of 'k' [-Wparentheses]
15 | #define fpp(a,i,c) for(int (a) = (i); (a) <= (c); (a)++)
| ^
vision.cpp:51:6: note: in expansion of macro 'fpp'
51 | fpp(k,-1,1){
| ^~~
vision.cpp:15:28: warning: unnecessary parentheses in declaration of 'k' [-Wparentheses]
15 | #define fpp(a,i,c) for(int (a) = (i); (a) <= (c); (a)++)
| ^
vision.cpp:69:4: note: in expansion of macro 'fpp'
69 | fpp(k,-K, K){
| ^~~
vision.cpp:14:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
14 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
| ^
vision.cpp:79:3: note: in expansion of macro 'fp'
79 | fp(i,0,h){
| ^~
vision.cpp:14:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
14 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
| ^
vision.cpp:80:4: note: in expansion of macro 'fp'
80 | fp(j,0,w){
| ^~
vision.cpp:15:28: warning: unnecessary parentheses in declaration of 'k' [-Wparentheses]
15 | #define fpp(a,i,c) for(int (a) = (i); (a) <= (c); (a)++)
| ^
vision.cpp:82:5: note: in expansion of macro 'fpp'
82 | fpp(k,-K, K){
| ^~~