鍦–++涓紝鍙互浣跨敤鏁扮粍鐨勬暟缁勶紙array of arrays锛夋潵鍒涘缓浜岀淮鏁扮粍銆?/p>

涓嬮潰鏄垱寤轰簩缁存暟缁勭殑涓€绉嶅父瑙佹柟娉曪細

// 瀹氫箟浜岀淮鏁扮粍鐨勮鏁板拰鍒楁暟
const int rows = 3;
const int cols = 4;

// 鍒涘缓浜岀淮鏁扮粍
int arr[rows][cols];

杩欐牱灏卞垱寤轰簡涓€涓ぇ灏忎负3琛?鍒楃殑浜岀淮鏁扮粍arr銆傚彲浠ラ€氳繃arr[row][col]鏉ヨ闂壒瀹氫綅缃殑鍏冪礌锛屽叾涓?code>row鏄绱㈠紩锛堜粠0寮€濮嬶級锛?code>col鏄垪绱㈠紩锛堜粠0寮€濮嬶級銆?/p>

鍙互浣跨敤寰幆鏉ラ亶鍘嗗拰鎿嶄綔浜岀淮鏁扮粍鐨勫厓绱狅細

for (int i = 0; i < rows; i++) {
  for (int j = 0; j < cols; j++) {
    // 璁块棶浜岀淮鏁扮粍鐨勫厓绱?/span>
    arr[i][j] = i + j;
  }
}

娉ㄦ剰锛岃繖绉嶆柟娉曞垱寤虹殑浜岀淮鏁扮粍鏄湪鏍堜笂鍒嗛厤鍐呭瓨鐨勶紝鍥犳鍏跺ぇ灏忓湪缂栬瘧鏃跺繀椤绘槸宸茬煡鐨勩€傚鏋滈渶瑕佸湪杩愯鏃跺姩鎬佸垱寤轰簩缁存暟缁勶紝鍙互浣跨敤鎸囬拡鍜?code>new杩愮畻绗︼細

// 鍔ㄦ€佸垱寤轰簩缁存暟缁?/span>
int** arr = new int*[rows];
for (int i = 0; i < rows; i++) {
  arr[i] = new int[cols];
}

// 璁块棶鍜屾搷浣滀簩缁存暟缁勭殑鍏冪礌
arr[0][0] = 1;
arr[1][2] = 3;

// 閲婃斁浜岀淮鏁扮粍鐨勫唴瀛?/span>
for (int i = 0; i < rows; i++) {
  delete[] arr[i];
}
delete[] arr;

娉ㄦ剰锛屽姩鎬佸垱寤虹殑浜岀淮鏁扮粍闇€瑕佹墜鍔ㄩ噴鏀惧唴瀛橈紝浠ラ伩鍏嶅唴瀛樻硠婕忋€傞鍏堜娇鐢?code>delete[]閲婃斁姣忎竴琛岀殑鍐呭瓨锛岀劧鍚庡啀浣跨敤delete[]閲婃斁鎸囧悜琛屾寚閽堢殑鍐呭瓨銆?/p>