import math r = int(input()) euclidean = math.pi * (r * r) taxi = 2 * (r*r) print("%.6lf" % euclidean) print("%.6lf" % taxi)

#include #define _USE_MATH_DEFINES #include int main() { int r; scanf("%d", &r); double euclidean = M_PI * (rr); double taxi = 2 (r*r); printf("%.6lf\n", euclidean); printf("%.6lf", taxi); } 정확한 파이 값을 찾아 연산하기 위해 use_math_defines를 사용했습니다. 3.141592는 안나오더라구요.. 저만 그런가요..?🤨

t = int(input()) for i in range(t): n = list(map(int, input().split())) sum = 0 min = 100 for j in range(len(n)): if n[j] % 2 == 0: sum += n[j] if min > n[j]: min = n[j] print("%d %d" % (sum, min))

#include int main() { int t, n; scanf("%d", &t); for (int i = 0; i n) { min = n; } } } printf("%d %d\n", sum, min); } return 0; }

sum = 0 max = 0 for i in range(10): off, on = map(int, input().split()) sum += on sum -= off if max < sum: max = sum print(max)

#include int main() { int off, on; int sum = 0, max = 0; for (int i = 0; i < 10; i++) { scanf("%d %d", &off, &on); sum += on; sum -= off; if (max < sum) { max = sum; } } printf("%d", max); return 0; }

m = int(input()) ball = 1 for i in range(m): x, y = map(int, input().split()) if x == ball: ball = y elif y == ball: ball = x print(ball)

#include int main() { int m, x, y; int temp; int ball = 1; scanf("%d", &m); for (int i = 0; i < m; i++) { scanf("%d %d", &x, &y); if (x == ball) { ball = y; } else if (y == ball) { ball = x; } } printf("%d", ball); return 0; }