C语言小白刷题

1.有n个评委,他们给出score个分数 , 请用代码写出平均值,ave代表平均值2022-10-15 13:17:10
int main() {intn, i =1, score, sum = 0, ave;printf("请输入评委人数:");scanf("%d",&n);while (i<=n) {printf("请为参赛队打分:0~100:");scanf("%d",&score);sum += score;i++;}ave = sum / n;printf("平均值为%d",ave);}2.某旅游景点为吸引游客,旺季和淡季门票价格不同 , 旺季为每年5~10月,门票价为200元,
淡季门票价格是旺季的八折 。无论淡季还是旺季,65岁及以上的老人免票 , 14岁以下的孩童半价,
其余游客全价 。
请编写一个旅游景点门票计费程序
int main() {//旺季:每年5~10月份,票价200//淡季:旺季*80%//人>=65免票&&人<14半价int a=200,b,age,e=100;//a为旺季票价,age为岁数,b为月份,e为儿童旺季票价double c = 200 * 0.8,d=200*0.5*0.8;//c为淡季票价 , d为儿童淡季票价printf("游客姓名:董某人\n请输入游览月份:");scanf("%d", &b);printf("请输入游客年龄:");scanf("%d",&age);if (age >= 65)printf("免票");else if (0 < age && age < 14&&b==5||b==6||b==7||b==8||b==9||b==10) printf("应购买门票价格为%d块",e);//儿童旺季价else if (0 < age && age < 14 && b == 1 || b == 2 || b == 3 || b == 4 || b == 11 || b == 12) printf("应购买门票价格为%.1f块",d);//儿童淡季价else if (14 < age && 14 < 65&& b == 5 || b == 6 || b == 7 || b == 8 || b == 9 || b == 10)printf("应购买门票价格为%d块",a);//正常旺季价else if (14 < age && 14 < 65 && b == 1 || b == 2 || b == 3 || b == 4 || b == 11 || b == 12)printf("应购买门票价格为%.1f块",c);//正常淡季价}3.求某年某月的天数
int gf(int year, int mon){switch (mon) {case 2:if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)return 29;elsereturn 28;case 4:case 6:case 9:case 11:return 30;default:return 31;}}int main() {printf("%d", gf(1998, 7));return0;}【C语言小白刷题】

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