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LevOJ平台题目可能的解决方法

P1001 a+b的问题

题目描述

解决方法

#include <stdio.h>int main()
{int a, b;scanf("%d%d", &a, &b);printf("%d\n", a + b);return 0;
}

P1031 三角形的面积

题目描述

解决方法

#include <stdio.h>
#include <math.h>int main()
{double a, b, c, s, area;while (scanf("%lf %lf %lf", &a, &b, &c) != EOF){if ((a + b > c) && (a + c > b) && (b + c > a)){s = (a + b + c) / 2.0;area = sqrt(s * (s - a) * (s - b) * (s - c));printf("%.2f\n", area);}else{printf("-1\n");}}return 0;
}

P1048 商和余数

问题描述

解决方法

#include <stdio.h>int main()
{int a, b, c, d;while (scanf("%d%d", &a, &b) != EOF){c = a / b;d = a % b;printf("%d %d\n", c, d);}return 0;
}

P1049 求表达式值

问题描述

解决方法

#include <stdio.h>int main()
{int a;float x, y;while (scanf("%d %f %f", &a, &x, &y) != EOF){float result = x + a % 3 * (int)(x + y) % 2 / 4;printf("%.6f\n", result);}return 0;
}

P1515 判断两个数的大小关系

问题描述

解决方法

#include <stdio.h>int main()
{int x, y;while (scanf("%d %d", &x, &y) != EOF){if (x == y){printf("x==y\n");}else if (x > y){printf("x>y\n");}else{printf("x<y\n");}}return 0;
}

P1516 判断三角形的形状

问题描述

解决方法

#include <stdio.h>int main()
{int n;scanf("%d", &n); for (int i = 0; i < n; i++) {int a, b, c;scanf("%d %d %d", &a, &b, &c); if (a + b <= c || a + c <= b || b + c <= a) {printf("Not Triangle\n");} else if (a == b && b == c) {printf("Regular Triangle\n");} else if (a == b || a == c || b == c) {printf("Isosceles Triangle\n");} else {printf("Triangle\n");}}return 0;
}

P1991 新BMI公式

问题描述

解决方法

#include <stdio.h>int main()
{float n, L;while (scanf("%f %f", &n, &L) != EOF){float bmi = n / (L * L);printf("%.1f\n", bmi);if (bmi > 25)printf("PANG\n");elseprintf("Hai Xing\n");}return 0;
}

P2069 计算摄氏温度

问题描述

解决方法

#include <stdio.h>int main()
{float f, c;while (scanf("%f", &f) != EOF){c = 5 * (f - 32) / 9.0;printf("Celsius = %.0f\n", c);}return 0;
}

P2070 比较大小

问题描述

解决方法

#include <stdio.h>
int main()
{int a, b, c, t;while (scanf("%d %d %d", &a, &b, &c) != EOF){if (a > b){t = a;a = b;b = t;}if (a > c){t = a;a = c;c = t;}if (b > c){t = b;b = c;c = t;}printf("%d->%d->%d\n", a, b, c);}return 0;
}

P1035 鸡兔同笼问题

问题描述

解决方法