错误：输入末尾应有“}”——当有一个时

Question

我在编译时收到此错误：

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project6.cpp：在函数\xe2\x80\x98int main()\xe2\x80\x99中：

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project6.cpp:187: 错误：输入末尾应有 \xe2\x80\x98}\xe2\x80\x99

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但是，该行的 int main () 函数显然有一个结束括号，因此我很困惑为什么会收到此错误。我还检查了所有其他括号，发现没有一个未关闭的。任何帮助将非常感激！

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#include <iostream>\n\nusing namespace std;\n\n\nvoid initRace(char grid[52][72])\n{  \n   for(int r = 0; r < 52; r = r + 1)\n   {  for(int c = 0; c < 72; c = c + 1)\n      {  grid[r][0] = \'X\';\n         grid[0][c] = \'X\';\n         grid[r][71] = \'X\'; // border\n         grid[51][c] = \'X\';\n      }\n      for(int c = 65; c <= 70; c = c + 1)\n      {  grid[51][c] = \'F\';         // finish line\n      }\n   }\n   for(int r = 1; r <= 35; r = r + 1)\n   {  for(int c = 10; c <= 29; c = c + 1)\n      {  grid[r][c] = \'X\';             // first barrier\n      }\n   }\n\n   for(int r = 16; r <= 50; r = r + 1)\n   {   for(int c = 40; c <=64; c = c + 1)\n       {  grid[r][c] = \'X\';             //second barrier\n       }\n   }\n\n   for(int r = 1; r <= 50; r = r + 1)\n   {   for(int c =1; c <=9; c = c + 1)\n       {  grid[r][c] = \' \';             //first block of spaces\n       }\n   }\n\n   for(int r = 36; r <= 50; r = r + 1)\n   {   for(int c =10; c <=29; c = c + 1)\n       {  grid[r][c] = \' \';             //second block of spaces\n       }\n   }\n\n   for(int r = 1; r <= 50; r = r + 1)\n   {   for(int c =30; c <=39; c = c + 1)\n       {  grid[r][c] = \' \';             //third block of spaces\n       }\n   }\n\n   for(int r = 1; r <= 15; r = r + 1)\n   {   for(int c =40; c <=64; c = c + 1)\n       {  grid[r][c] = \' \';             //fourth block of spaces\n       }\n   }\n\n   for(int r = 1; r <= 50; r = r + 1)\n   {   for(int c =65; c <=70; c = c + 1)\n       {  grid[r][c] = \' \';             //fifth block of spaces\n       }\n   }\n   grid[1][1] = \'O\';\n}\n\nvoid printRace(char grid[52][72])\n{  for (int i = 0 ; i < 52; i = i + 1)\n   {  for (int j = 0 ; j < 72; j = j + 1)\n      {  cout << grid[i][j] << " ";\n      }\n      cout << endl;\n   }\n\n}\n\nint main(void)\n{  char grid[52][72];\n\n   initRace(grid);\n\n\n   int xAcceleration;\n   int yAcceleration;\n   int xVelocity = 0;\n   int yVelocity = 0;\n   int xPosition = 1;\n   int yPosition = 1;\n\n\n   for(int i = 1; i < 100; i = i + 1)\n   {  printRace(grid);\n      cout << "Horizontal and vertical acceleration (-1,0,1): ";\n      cin >> xAcceleration;\n      cin >> yAcceleration; \n\n      if((xAcceleration != 0) && (xAcceleration != 1) && (xAcceleration != -1))\n      {  if(i == 1)\n         {  cout << "Crashed after " << i << " second" << endl;\n         }\n         else\n         {  cout << "Crashed after " << i << " seconds" << endl;\n         printRace(grid);\n         i = 500;\n      }\n\n      if((yAcceleration != 0) && (yAcceleration != 1) && (yAcceleration != -1))\n      {  printRace(grid);\n         if(i == 1)\n         {  cout << "Crashed after " << i << " second" << endl;\n         }\n         else\n         {  cout << "Crashed after " << i << " seconds" << endl;\n         }\n         i = 500;\n      }\n\n      xVelocity = xVelocity + xAcceleration;\n      yVelocity = yVelocity + yAcceleration;\n\n      xPosition = xPosition + xVelocity;\n      yPosition = yPosition + yVelocity;\n\n\n      if((xPosition >= 10) && (xPosition <=29) && (yPosition >= 1) && (yPosition<= 35))\n      {  grid[yPosition][xPosition] = \'O\';\n         printRace(grid);\n         cout << "Crashed after " << i << " seconds" << endl;        // crashed into first barrier\n         i = 500;\n      }\n\n      if((xPosition >= 40) && (xPosition <= 64) && (yPosition >= 16) && (yPosition <= 50))\n      {  grid[yPosition][xPosition] = \'O\';\n         printRace(grid);\n         cout << "Crashed after " << i << " seconds" << endl;        // crashed into second barrier\n         i = 500;\n      }\n\n      if(xPosition <= 0)            //crashed into left border\n      {  grid[yPosition][0] = \'O\';\n         printRace(grid);\n         cout << "Crashed after " << i << " seconds" << endl;      \n         i = 500;                               \n      }\n\n      if(yPosition <= 0)            //crashed into top border\n      {  grid[0][xPosition] = \'O\';\n         printRace(grid);\n         cout << "Crashed after " << i << " seconds" << endl;      \n         i = 500; \n      }\n\n      if(xPosition >= 71)           //crashed into right border\n      {  grid[yPosition][71] = \'O\';\n         printRace(grid);\n         cout << "Crashed after " << i << " seconds" << endl;      \n         i = 500; \n      }\n\n      if((yPosition >= 51) && (xPosition >= 1) && (xPosition <= 39))     //crashed into bottom border\n      {  grid[51][xPosition] = \'O\';\n         printRace(grid);\n         cout << "Crashed after " << i << " seconds" << endl;      \n         i = 500; \n      }\n\n      if((xPosition >= 65) && (xPosition <= 70) && (yPosition >= 51))      // crossed finish line\n      {  grid[51][xPosition] = \'O\';\n         printRace(grid);\n         cout << "Finished after " << i << " seconds" << endl;\n         i = 500;\n      }\n\n\n      grid[yPosition][xPosition] = \'O\';\n\n\n   }\n\n   return 0;\n\n}      // THIS IS LINE 187\n

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Answer 1

else大 for 循环中的第一个语句缺少右大括号。