tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
| ^
tickets.cpp:23:2: note: in expansion of macro 'ff'
23 | ff(i,0,n - 1){
| ^~
tickets.cpp:4:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
| ^
tickets.cpp:24:9: note: in expansion of macro 'ff'
24 | ff(j,0,m - 1){
| ^~
tickets.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
| ^
tickets.cpp:28:2: note: in expansion of macro 'ff'
28 | ff(i,1,n)sort(mat[i] + 1, mat[i] + m + 1);
| ^~
tickets.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
| ^
tickets.cpp:36:5: note: in expansion of macro 'ff'
36 | ff(i,1,n)ff(j,1,m)ans[i][j] = -1;
| ^~
tickets.cpp:4:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
| ^
tickets.cpp:36:14: note: in expansion of macro 'ff'
36 | ff(i,1,n)ff(j,1,m)ans[i][j] = -1;
| ^~
tickets.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
| ^
tickets.cpp:39:5: note: in expansion of macro 'ff'
39 | ff(i,1,n){
| ^~
tickets.cpp:4:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
| ^
tickets.cpp:40:9: note: in expansion of macro 'ff'
40 | ff(j,1,k)suma -= mat[i][j].xx;
| ^~
tickets.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
| ^
tickets.cpp:44:5: note: in expansion of macro 'ff'
44 | ff(i,1,n){
| ^~
tickets.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
| ^
tickets.cpp:47:5: note: in expansion of macro 'ff'
47 | ff(i,1,(n*k)/2){
| ^~
tickets.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
| ^
tickets.cpp:56:5: note: in expansion of macro 'ff'
56 | ff(i,1,n){
| ^~
tickets.cpp:4:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
| ^
tickets.cpp:59:9: note: in expansion of macro 'ff'
59 | ff(j,1,k){
| ^~
tickets.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
| ^
tickets.cpp:78:5: note: in expansion of macro 'ff'
78 | ff(i,1,n){
| ^~
tickets.cpp:4:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
| ^
tickets.cpp:80:9: note: in expansion of macro 'ff'
80 | ff(j,1,m)row.pb(ans[i][j]);
| ^~