[英]c++ compiled file doesn't work in other pcs
我做了一个简单的C++程序并编译，我把.exe文件分享给我的朋友们，让他们也看看。 然而，当在他们的电脑上运行时，它说它需要一些 dll 个文件。 即使在下载 dll 文件后，它也只需要运行 2 秒左右，然后关闭。 顺便说一句，他们的电脑上没有安装任何编译器。
编辑：我在编译时使用了 -static 标志并且它有效。 谢谢您的回答。
#include <iostream>
#include <cstdlib>
#include <ctime>
int toss(int choice);
void start(int choice);
void printstats(int runs, int wickets, int balls, int target);
int makecomputerturnbatting(int turn);
int makecomputerturnbowling(int turn);
int main(int agrc, char *agrv[]) {
int choice;
do {
std::cout << "0. Head\n1. Tails\nChoose a valid option: ";
std::cin >> choice;
} while (choice > 1);
if (toss(choice)) {
std::cout << "You won the toss.. " << std::endl;
int choice;
do {
std::cout << "0. Batting\n1. Bowling\nChoose a valid Option: ";
std::cin >> choice;
} while (choice > 1);
start(choice);
} else {
std::cout << "You lost the toss.." << std::endl;
srand(time(0));
start(rand() % 2);
}
return 0;
}
// Defining subroutines
int toss(int choice) {
int faces[3] = {0, 1, 1};
srand(time(0)); // srand for rand()
int flippedface = faces[rand() % 4];
if (flippedface == choice) {
return 1;
} else {
return 0;
}
}
void start(int choice) {
if (choice) {
std::cout << "\n || Starting game as bowling.. ||" << std::endl;
int turn;
// gamestats
int runs = 0;
int balls = 0;
int wickets = 5;
int target;
do {
std::cout << " || Your turn: ";
do {
std::cin >> turn;
} while (turn > 6);
std::cout << " ||";
int computerturn = makecomputerturnbatting(turn);
std::cout << "Computer's play: " << computerturn << std::endl;
if (turn != 0) {
if (turn == computerturn) {
wickets -= 1;
balls += 1;
} else {
runs += computerturn;
balls += 1;
}
} else {
std::cout << "\n|| Dot Ball! ||\n";
}
printstats(runs, wickets, balls, 0);
} while (wickets != 0);
target = runs;
runs = 0;
balls = 0;
wickets = 5;
// session 2
do {
std::cout << " || Playing as batsman now.. ||\n";
std::cout << " || Your turn: ";
do {
std::cin >> turn;
} while (turn > 6);
std::cout << " ||";
int computerturn = makecomputerturnbowling(turn);
std::cout << "Computer's play: " << computerturn << std::endl;
if (computerturn != 0) {
if (turn == computerturn) {
wickets -= 1;
balls += 1;
} else {
runs += computerturn;
balls += 1;
}
} else {
std::cout << "\n|| Dot Ball! ||\n";
}
printstats(runs, wickets, balls, target);
} while (wickets != 0 || runs == target);
if (runs = target) {
std::cout << "You won!" << std::endl;
} else {
std::cout << "You lost.." << std::endl;
}
// end of the game..
} else {
std::cout << "\n || Starting game as batting.. ||" << std::endl;
int turn; // player's play
int runs = 0;
int balls = 0;
int wickets = 5; // we will keep it at 5..
int target;
// session 1
do {
std::cout << " || Your turn: ";
do {
std::cin >> turn;
} while (turn > 6);
std::cout << " ||";
int computerturn = makecomputerturnbowling(turn);
std::cout << "Computer's play: " << computerturn << std::endl;
if (computerturn != 0) {
if (turn == computerturn) {
wickets -= 1;
balls += 1;
} else {
runs += computerturn;
balls += 1;
}
} else {
std::cout << "\n|| Dot Ball! ||\n";
}
printstats(runs, wickets, balls, 0);
} while (wickets != 0);
target = runs;
runs = 0;
balls = 0;
wickets = 5;
do {
std::cout << " || Your turn: ";
do {
std::cin >> turn;
} while (turn > 6);
std::cout << " ||";
// generating computer's play
int computerturn = makecomputerturnbatting(turn);
std::cout << "Computer's play: " << computerturn << std::endl;
if (turn != 0) {
if (turn == computerturn) {
wickets -= 1;
balls += 1;
} else {
runs += computerturn;
balls += 1;
}
} else {
std::cout << "\n|| Dot Ball! ||\n";
}
printstats(runs, wickets, balls, target);
} while (wickets != 0 || runs == target);
if (runs = target) {
std::cout << "You lost.." << std::endl;
} else {
std::cout << "You won!" << std::endl;
}
}
}
void printstats(int runs, int wickets, int balls, int target) {
/*
==========
Runs : int runs
Wickets : int wickets
Balls : int balls
Target : int target
==========
*/
std::cout << "==========" << std::endl;
std::cout << " " << std::endl;
std::cout << " || Runs : " << runs << std::endl;
std::cout << " || Wickets : " << wickets << std::endl;
std::cout << " || Balls : " << balls << std::endl;
if (target) {std::cout<<"|| Target : " << target << std::endl;}
std::cout << " " << std::endl;
std::cout << "==========" << std::endl;
}
int makecomputerturnbatting(int turn) {
int computerturn;
int likelyturn;
int possibleturns[10] = {0, 0, 1, 2, 3, 4, 5, 6};
if (turn == 6) {
likelyturn = turn - 1;
} else {
likelyturn = turn + 1;
}
possibleturns[9], possibleturns[10] = likelyturn;
srand(time(0));
computerturn = possibleturns[rand()%11];
return computerturn;
}
int makecomputerturnbowling(int turn) {
int computerturn;
int possibleturns[9] = {0, 1, 2, 3, 4, 5, 6};
possibleturns[8], possibleturns[9] = turn;
srand(time(0));
computerturn = possibleturns[rand()%10];
return computerturn;
}
您的代码可能会出现未定义的行为，即越界数组访问：
int possibleturns[9] = {0, 1, 2, 3, 4, 5, 6};
// ...
computerturn = possibleturns[rand()%10];
rand()%10是 0-9（含）之间的 integer。 您的数组有 9 个元素，索引为 0-8。 如果随机数结果为 9 mod 10，则会出现未定义的行为。
附加条款：
rand之前调用srand 。 在启动时只调用一次（参见srand() — 为什么只调用一次？ ）possibleturns[8], possibleturns[9] = turn; 不做你期望它做的事。 它只分配给索引 9。你想要possibleturns[8] = possibleturns[9] = turn; 分配给两者makecomputerturnbatting@mwahi，您似乎在计算机上使用了一些外部库。 您需要在 output 程序中包含一些 DLL。 如果您使用 Visual Studio 编译它，则必须包含一些 DLL。 Microsoft 的此页面在这里解释了如何将 DLL 直接链接到您的 output 程序： https://learn.microsoft.com/en-us/cpp/build/linking-an-executable-to-a-dll?view=msvc- 160
对 DLL 的依赖是预期的，搜索 DLL 的名称和“可再发行”。 rest 不是预期的，但没有足够的信息来诊断问题。
另外，要回答关于“它只打开 2 秒然后关闭”的问题，可能是因为控制台程序显示了一些内容并关闭了。 告诉你的朋友，从控制台间接运行它，而不是从本地文件夹打开它。
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