#include <stdio.h> #include <string.h> #include <math.h> #include <ctype.h> int main(int argc, char** argv) { int n; scanf("%d", &n); int nums[10][10]; int sum = 0; for(int i = 0;i < n; i ++) { for(int j = 0; j < n; j ++) { scanf("%d", &nums[i][j]); if(j <= i) { sum += nums[i][j]; } } } printf("%d\n", sum); } |
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