add for loops

This commit is contained in:
Quentin Carbonneaux 2015-10-12 21:46:27 -04:00
parent b402c8f7d5
commit 7f7cf6a032
2 changed files with 40 additions and 20 deletions

View file

@ -8,18 +8,13 @@ print() {
int x;
int y;
y = 0;
while (y < 8) {
x = 0;
while (x < 8) {
for (y=0; y<8; y++) {
for (x=0; x<8; x++)
if (t[x + 8*y])
printf(" Q");
else
printf(" .");
x++;
}
printf("\n");
y++;
}
printf("\n");
}
@ -29,8 +24,7 @@ chk(int x, int y) {
int r;
r = 0;
i = 0;
while (i < 8) {
for (i=0; i<8; i++) {
r = r + t[x + 8*i];
r = r + t[i + 8*y];
if (x+i < 8 & y+i < 8)
@ -41,11 +35,8 @@ chk(int x, int y) {
r = r + t[x-i + 8*(y+i)];
if (x-i >= 0 & y-i >= 0)
r = r + t[x-i + 8*(y-i)];
if (r)
return 1;
i++;
}
return 0;
return r;
}
go(int n, int x, int y) {
@ -54,17 +45,14 @@ go(int n, int x, int y) {
N++;
return 0;
}
while (y < 8) {
while (x < 8) {
for (; y<8; y++) {
for (; x<8; x++)
if (chk(x, y) == 0) {
t[x + 8*y]++;
go(n+1, x, y);
t[x + 8*y]--;
}
x++;
}
x = 0;
y++;
}
}