Submission #76783111

Source Code Expand

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#include <stdio.h>
#include <inttypes.h>
int calc(int width, int tubure) {
  if (width >= tubure) {
    int res = (width / 2 + 1) - (tubure / 2 + 1);
    if (tubure % 2 == 0) res += tubure + 1;
    return res;
  } else {
    return tubure % 2 == 0 ? width + 1 : 0;
  }
}
int main(void) {
  int L, R, D, U;
  uint64_t ans = 0;
  int i;
  if (scanf("%d%d%d%d", &L, &R, &D, &U) != 4) return 1;
  for (i = D; i <= U; i++) {
    int tubure = i < 0 ? -i : i;
    if (L <= 0 && 0 <= R) {
      ans += calc(-L, tubure) + calc(R, tubure) - calc(0, tubure);
    } else if (R < 0) {
      ans += calc(-L, tubure) - calc(-R - 1, tubure);
    } else { /* 0 < L */
      ans += calc(R, tubure) - calc(L - 1, tubure);
    }
  }
  printf("%" PRIu64 "\n", ans);
  return 0;
}
 
 
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#include <stdio.h>
#include <inttypes.h>

int calc(int width, int tubure) {
	if (width >= tubure) {
		int res = (width / 2 + 1) - (tubure / 2 + 1);
		if (tubure % 2 == 0) res += tubure + 1;
		return res;
	} else {
		return tubure % 2 == 0 ? width + 1 : 0;
	}
}

int main(void) {
	int L, R, D, U;
	uint64_t ans = 0;
	int i;
	if (scanf("%d%d%d%d", &L, &R, &D, &U) != 4) return 1;
	for (i = D; i <= U; i++) {
		int tubure = i < 0 ? -i : i;
		if (L <= 0 && 0 <= R) {
			ans += calc(-L, tubure) + calc(R, tubure) - calc(0, tubure);
		} else if (R < 0) {
			ans += calc(-L, tubure) - calc(-R - 1, tubure);
		} else { /* 0 < L */
			ans += calc(R, tubure) - calc(L - 1, tubure);
		}
	}
	printf("%" PRIu64 "\n", ans);
	return 0;
}

Submission Info

Judge Result