online compiler and debugger for c/c++

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/****************************************************************************** Online C Compiler. Code, Compile, Run and Debug C program online. Write your code in this editor and press "Run" button to compile and execute it. *******************************************************************************/ #include <stdio.h> void print(int(*)[2],int,int); void sort(int(*)[2],int,int); void modify(int(*)[2],int ,int ); int main() { int a[4][2]={{3,19},{11,33},{18,80},{80,100}},r,c; r=sizeof(a)/sizeof(a[0]); c=sizeof(a[0])/sizeof(a[0][0]); printf("%d %d\n",r,c); printf("before modification:= "); print(a,r,c); printf("\n"); modify(a,r,c); printf("after modification\n"); print(a,r,c); sort(a,r,c); printf("after sorting\n"); print(a,r,c); return 0; } void print(int (*a)[2],int r,int c) { int i,j; for(i=0;i<r;i++) for(j=0;j<c;j++) printf("%d ",a[i][j]); printf("\n"); } void sort(int (*a)[2],int r,int c) { int temp; int i,j,k; for(i=0;i<c;i++) for(j=0;j<=r;j++) for(k=j+1;k<=r;k++) if(a[i][j]>a[i][k]) { temp=a[i][j]; a[i][j]=a[i][k]; a[i][k]=temp; } } //2, 10, 17, 19, 33, 79, 80, 100 void modify(int(*a)[2],int r,int c) { int i,j; for(i=0;i<r;i++) a[i][0]--; }

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