coding----1wcods----坚持第5天----758行

来源：互联网发布：excel中删除重复数据编辑：程序博客网时间：2024/05/22 09:01
#include <stdio.h>#include <errno.h>#include <stdlib.h>#include <string.h>int main(int argc, char *argv[]){if (argc == 1) {fprintf(stderr, "usage: %s <errno> [<errno> ...]\n", argv[0]);exit(1);}else {int i;for (i = 1; i < argc; ++i) {int ec = strtoul(argv[i], 0, 0);fprintf(stdout, "OS error code %d: %s\n", ec,                    strerror(ec));}exit(0);}}#include <iostream>int main () {    int val = val;//这样是可以的但是，并没有初始化    std::cout << val << std::endl;        std::cout << "*/" << std::endl;    std::cout << "/*" << std::endl;    //std::cout << /* "*/" */;    std::cout << /* "*/" */" << std::endl;        int v1, v2;    std::cin >> v1 >> v2;    std::cout << "The suam of " << v1 << " and " << v2 << \    " is:" << v1 + v2 << std::endl;    int sum = 0, value = 1;    // keep executing the while until value is greater than 10    while (value <= 10) {        sum += value;   //assigns sum + value to sum        value ++;   // add 1 to value     }        std::cout << "sum of 1 and 10 inclusive is :" << sum <<std::endl;    sum = 0;    for (int i = 1; i <= 10; i++) {        sum += i;    }    // test the variate i    // std::cout << i << std::endl;    // -fpremsive    std::cout << "sum of 1 and 10 inclusive is :" << sum <<std::endl;    sum = 0;    for (int i = -100;i <= 100; i++) {        sum += i;    }    std::cout << "sum of 1 and 10 inclusive is :" << sum <<std::endl;    sum = 0;    for (int i = 50;i <= 100;i ++) {        sum += i;    }    std::cout << "sum of 50 and 100 inclusive is :" << sum <<std::endl;    sum = 0;    int i = 50;    while (i <= 100) {        sum += i;        i ++;    }    std::cout << "sum of 50 and 100 inclusive is :" << sum <<std::endl;    sum = 0;    for (int i = 10;i >= 0;i --) {        sum +=i;    }    std::cout << "sum of 10 and 1 inclusive is :" << sum <<std::endl;    sum = 0;    i = 10;    while (i >= 0) {        sum += i;        i --;    }    std::cout << "sum of 10 and 1 inclusive is :" << sum <<std::endl;    std::cout << "enter into two number for comparing :" << sum <<std::endl;    std::cin >> v1 >> v2;    std::cout << "the max number is :" << (v1 > v2 ? v1:v2) <<std::endl;    /*    int count = 0;    while (std::cin >> value) {        if(value < 0)            count ++;    }    std::cout << "amount of all nagetive number is :" << count <<std::endl;*/    int lower, upper, count;    std::cout << "v1 ---- v2 " << std::endl;    std::cin >> v1 >> v2;    if (v1 > v2) {        upper = v1;        lower = v2;    }else {        upper = v2;        lower = v1;    }     for (value = lower, count = 1; value <= upper; value ++,count ++) {        std::cout << value ;        if (count % 10 == 0) {            std::cout<<std::endl;        }    }    return 0; }
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