이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <stdio.h>
int dx[] = { 1, -1, 0, 0, 1, -1, -1, 1 };
int dy[] = { 0, 0, 1, -1, 1, -1, 1, -1 };
int x, y;
void move(int t) {
printf("%d %d\n", x, y), x += dx[t], y += dy[t];
}
int main() {
static int kk[4];
int t, i;
for (t = 0; t < 4; t++)
scanf("%d", &kk[t]);
if (kk[0] == 0 && kk[1] == 0) {
for (i = 0; i < kk[2] / 2; i++)
move(2 << 1 | 0);
move(3 << 1 | 0);
for (i = 0; i < kk[2] / 2 - 1; i++)
move(2 << 1 | 1);
for (i = 0; i < kk[3] / 2 - 1; i++)
move(3 << 1 | 0);
move(2 << 1 | 1);
for (i = 0; i < kk[3] / 2; i++)
move(3 << 1 | 1);
} else if (kk[0] == 0) {
if (kk[2] % 2 == 1 && kk[3] % 2 == 1) {
move(2 << 1 | 1);
for (i = 0; i < kk[1] / 2 - 1; i++)
move(1 << 1 | 1);
move(3 << 1 | 1);
for (i = 0; i < kk[1] / 2; i++)
move(1 << 1 | 0);
kk[2]--, kk[3]--;
} else if (kk[2] >= 2) {
move(2 << 1 | 1);
for (i = 0; i < kk[1] / 2; i++)
move(1 << 1 | 1);
move(2 << 1 | 0);
for (i = 0; i < kk[1] / 2 - 1; i++)
move(1 << 1 | 0);
kk[2] -= 2;
} else {
move(3 << 1 | 1);
for (i = 0; i < kk[1] / 2; i++)
move(1 << 1 | 1);
move(3 << 1 | 0);
for (i = 0; i < kk[1] / 2 - 1; i++)
move(1 << 1 | 0);
kk[3] -= 2;
}
for (i = 0; i < kk[2] / 2; i++)
move(2 << 1 | 0);
for (i = 0; i < kk[3] / 2; i++)
move(3 << 1 | 1);
move(1 << 1 | 0);
for (i = 0; i < kk[3] / 2; i++)
move(3 << 1 | 0);
for (i = 0; i < kk[2] / 2; i++)
move(2 << 1 | 1);
} else {
if (kk[2] % 2 == 1 && kk[3] % 2 == 1) {
move(2 << 1 | 1);
for (i = 0; i < kk[0] / 2 - 1; i++)
move(0 << 1 | 1);
move(3 << 1 | 0);
for (i = 0; i < kk[0] / 2; i++)
move(0 << 1 | 0);
kk[2]--, kk[3]--;
} else if (kk[2] % 2 == 1) {
move(2 << 1 | 1);
for (i = 0; i < kk[0] / 2; i++)
move(0 << 1 | 1);
move(1 << 1 | 0);
for (i = 0; i < kk[0] / 2; i++)
move(0 << 1 | 0);
kk[2]--, kk[1]--;
} else if (kk[3] % 2 == 1) {
move(1 << 1 | 1);
for (i = 0; i < kk[0] / 2; i++)
move(0 << 1 | 1);
move(3 << 1 | 0);
for (i = 0; i < kk[0] / 2; i++)
move(0 << 1 | 0);
kk[1]--, kk[3]--;
} else if (kk[2] >= 2) {
move(2 << 1 | 1);
for (i = 0; i < kk[0] / 2; i++)
move(0 << 1 | 1);
move(2 << 1 | 0);
for (i = 0; i < kk[0] / 2 - 1; i++)
move(0 << 1 | 0);
kk[2] -= 2;
} else if (kk[3] >= 2) {
move(3 << 1 | 1);
for (i = 0; i < kk[0] / 2; i++)
move(0 << 1 | 1);
move(3 << 1 | 0);
for (i = 0; i < kk[0] / 2 - 1; i++)
move(0 << 1 | 0);
kk[3] -= 2;
} else {
move(1 << 1 | 1);
for (i = 0; i < kk[0] / 2; i++)
move(0 << 1 | 1);
move(1 << 1 | 0);
for (i = 0; i < kk[0] / 2 - 1; i++)
move(0 << 1 | 0);
kk[1] -= 2;
}
for (i = 0; i < kk[1] / 2; i++)
move(1 << 1 | 0);
for (i = 0; i < kk[2] / 2; i++)
move(2 << 1 | 0);
for (i = 0; i < kk[3] / 2; i++)
move(3 << 1 | 0);
move(0 << 1 | 0);
for (i = 0; i < kk[3] / 2; i++)
move(3 << 1 | 1);
for (i = 0; i < kk[2] / 2; i++)
move(2 << 1 | 1);
for (i = 0; i < kk[1] / 2; i++)
move(1 << 1 | 1);
}
return 0;
}
컴파일 시 표준 에러 (stderr) 메시지
pick.c: In function 'main':
pick.c:17:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
17 | scanf("%d", &kk[t]);
| ^~~~~~~~~~~~~~~~~~~
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