疏通下水道网站怎么做,江苏手机网站建设公司,互联网广告管理暂行办法,高德地图可以看国外的地图吗山东大学#xff08;威海#xff09;2022级大一下C习题集#xff08;1#xff09;1-7-1 求幂级数展开的部分和1-7-2 查询水果价格1-7-3 猜数字游戏1-7-4 特殊a串数列求和1-7-5 成绩统计分析表1-7-6 换硬币1-7-7 验证“哥德巴赫猜想”1-7-1 求幂级数展开的部分和
#include威海2022级大一下C习题集11-7-1 求幂级数展开的部分和1-7-2 查询水果价格1-7-3 猜数字游戏1-7-4 特殊a串数列求和1-7-5 成绩统计分析表1-7-6 换硬币1-7-7 验证“哥德巴赫猜想”1-7-1 求幂级数展开的部分和
#includestdio.h
#includemath.h
int main()
{double x 0;scanf(%lf,x);double add 1.0,sum 1.0;int i 1;for(i 1;;i){add(add*x)/i;sumadd;if(add0.00001)break;}printf(%.4lf,sum);return 0;
}1-7-2 查询水果价格
#includestdio.h
void menu()
{printf([1] apple\n[2] pear\n[3] orange\n[4] grape\n[0] exit\n);
}int main()
{menu();int c 0, n;while(c6){scanf(%d,n);if(n 0)break;switch(n){case 1:printf(price 3.00\n);break;case 2:printf(price 2.50\n);break;case 3:printf(price 4.10\n);break;case 4:printf(price 10.20\n);break;default:printf(price 0.00\n);break;}}return 0;
}1-7-3 猜数字游戏
#includestdio.h
int main()
{int rad1, N;scanf(%d%d, rad1, N);int gs 0;if(rad10rad1100N3){for(int i 0;iN;i){scanf(%d, gs);if (gs 0){printf(Game Over);return 0;}else if (gs rad1)printf(Too small\n);else if(gsrad1)printf(Too big\n);else if(gsrad1i 0){printf(Bingo!\n);return 0;}else if(gs rad1(i 1||i2)){printf(Lucky You!\n);return 0;}else if(gs rad1){printf(Good Guess!\n);return 0;}}printf(Game Over\n);return 0;}}1-7-4 特殊a串数列求和
#includestdio.h
int main()
{int a,n;scanf(%d%d,a,n);int s 0,sum 0;for(int i 1;in;i){s s*10a;sum s;}printf(s %d,sum);
}1-7-5 成绩统计分析表
#includestdio.hvoid Print_s(double i)//把打印*封装成一个函数方便
{int n (int)floor(i0.5);//四舍五入for(int j 0;jn;j)printf(*);
}int main()
{int n;scanf(%d, n);double arr[1000] { 0.0 };double sum 0.0,max 0.0,min 1000.0,avg;int a0,b0,c0,d0,e0;for (int i 0; i n; i){scanf(%lf, arr[i]);sum arr[i];if(arr[i]max)max arr[i];if(arr[i]min)min arr[i];if(arr[i]90arr[i]100)a;else if(arr[i]80arr[i]90)b;else if(arr[i]70arr[i]80)c;else if(arr[i]60arr[i]70)d;else if(arr[i]0arr[i]60)e;}for (int i 0; i n; i){printf(%03d:%6.1lf , i1, arr[i]);Print_s(arr[i]);printf(\n);}avg sum / n;printf(\nMax: %5.1lf ,max);Print_s(max);printf(\nMin: %5.1lf ,min);Print_s(min);printf(\nAvg: %5.1lf ,avg);Print_s(avg);printf(\n);double A 100.0*a/n,B100.0*b/n,C 100.0*c/n,D 100.0*d/n,E 100.0*e/n;//printf里打印一个百分号“%”要写两个%%printf(\nA:%6.1lf%%,A);printf( );Print_s(A);printf(\nB:%6.1lf%%,B);printf( );Print_s(B);printf(\nC:%6.1lf%%,C);printf( );Print_s(C);printf(\nD:%6.1lf%%,D);printf( );Print_s(D);printf(\nE:%6.1lf%%,E);printf( );Print_s(E);return 0;
}1-7-6 换硬币
#includestdio.h
int main()
{int x 0;scanf(%d, x);int f5 0, f2 0, f1 0;int count 0;for (int i x/5;; i--){f5 i;for (int j (x-5*f5)/2;; j--){f2 j;f1 x - 5 * f5 - 2 * f2;if (f2 0){ break;}if (f1 0){ continue;}printf(fen5:%d, fen2:%d, fen1:%d, total:%d\n, f5, f2, f1, f1 f2 f5);count;}if ((f5 1)){printf(count %d\n, count);break;}}return 0;
}1-7-7 验证“哥德巴赫猜想”
#includestdio.h
#includemath.h
int Prime(long long i)
{int c 0;for(long long int j 2;jsqrt(i);j){if(i%j0)return 0;}return 1;
}int main()
{long long int n;scanf(%lld,n);for(long long int i 2;in;i){if(Prime(i)Prime(n-i)){printf(%lld %lld %lld,n,i,n-i);break;}else continue;}return 0;
}
