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- function matrixElementsSum(matrix) {
- price=0;
- for(var y=0;y<matrix.length;y++)
- for(var x=0;x<matrix[0].length;x++){
- if(y==0)
- price+=matrix[y][x];
- else{
- if(matrix[y-1][x]==0)
- matrix[y][x]=0;
- price+=matrix[y][x];
- }
- }
- return price;
- }
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