Update construct-product-matrix.cpp

kamyu104 · web-flow · commit c07cbb947ce5 · 2023-10-17T01:34:39.000+08:00
diff --git a/C++/construct-product-matrix.cpp b/C++/construct-product-matrix.cpp
@@ -16,7 +16,9 @@ class Solution {
         int64_t left = 1;
         for (int i = 0; i < size(grid); ++i) {
             for (int j = 0; j < size(grid[0]); ++j) {
-                tie(grid[i][j], left) = pair((left * right[(i * size(grid[0]) + j) + 1]) % MOD, (left * grid[i][j]) % MOD);
+                const int x = grid[i][j];
+                grid[i][j] = (left * right[(i * size(grid[0]) + j) + 1]) % MOD;
+                left = (left * x) % MOD;
             }
         }
         return grid;

Original file line number	Diff line number	Diff line change
`@@ -16,7 +16,9 @@ class Solution {`
`16`	`16`	`int64_t left = 1;`
`17`	`17`	`for (int i = 0; i < size(grid); ++i) {`
`18`	`18`	`for (int j = 0; j < size(grid[0]); ++j) {`
`19`		`- tie(grid[i][j], left) = pair((left * right[(i * size(grid[0]) + j) + 1]) % MOD, (left * grid[i][j]) % MOD);`
	`19`	`+ const int x = grid[i][j];`
	`20`	`+ grid[i][j] = (left * right[(i * size(grid[0]) + j) + 1]) % MOD;`
	`21`	`+ left = (left * x) % MOD;`
`20`	`22`	`}`
`21`	`23`	`}`
`22`	`24`	`return grid;`