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radhwan.hassine
cours
Commits
60f00c7c
Commit
60f00c7c
authored
3 years ago
by
paul.albuquer
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Corrected typos in N-queens code in cours_8.md
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a48b48e2
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slides/cours_8.md
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60f00c7c
...
@@ -178,7 +178,7 @@ bool board[n][n];
...
@@ -178,7 +178,7 @@ bool board[n][n];
// et compter les solutions
// et compter les solutions
void nbr_solutions(board, column, counter);
void nbr_solutions(board, column, counter);
// Copier un tableau dans un autre
// Copier un tableau dans un autre
void copy(board_in, board);
void copy(board_in, board
_out
);
// Placer la reine à li, co et rendre inaccessible devant
// Placer la reine à li, co et rendre inaccessible devant
void placer_devant(board, li, co);
void placer_devant(board, li, co);
```
```
...
@@ -193,8 +193,9 @@ nbr_solutions(board, column, count)
...
@@ -193,8 +193,9 @@ nbr_solutions(board, column, count)
// pour chaque ligne
// pour chaque ligne
// si la case libre
// si la case libre
// si column < n - 1
// si column < n - 1
// copier dans un "new" board, y poser
// copier board dans un "new" board,
// une reine et mettre à jour ce "new" board
// y poser une reine
// et mettre à jour ce "new" board
// nbr_solutions(new_board, column+1, count)
// nbr_solutions(new_board, column+1, count)
// sinon
// sinon
// on a posé la n-ème et on a gagné
// on a posé la n-ème et on a gagné
...
@@ -230,7 +231,7 @@ void nb_sol(int n, bool board[n][n], int co, int *ptr_cpt) {
...
@@ -230,7 +231,7 @@ void nb_sol(int n, bool board[n][n], int co, int *ptr_cpt) {
if (board_in[li][co]) {
if (board_in[li][co]) {
if (co < n-1) {
if (co < n-1) {
bool new_board[n][n]; // alloué à chaque nouvelle tentative
bool new_board[n][n]; // alloué à chaque nouvelle tentative
copy(n,
new_
board
_in,
board);
copy(n, board
, new_
board);
prises_devant(n, new_board, li, co);
prises_devant(n, new_board, li, co);
nb_sol(n, new_board, co+1, ptr_cpt);
nb_sol(n, new_board, co+1, ptr_cpt);
} else {
} else {
...
...
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