题解 | #合并表记录#

#include <stdio.h>


int main() {
    int* pArry = (int*)malloc(11111112*sizeof(int));
    int countAll = 0;
    int index = 0,value = 0;
    scanf("%d",&countAll);
    for(int i = 0; i < countAll; i++)
    {
        scanf("%d %d",&index,&value);
        pArry[index] += value;
    }

    for(int i = 0; i <= 11111111; i++)
    {
        if(pArry[i] > 0)
            printf("%d %d\n",i,pArry[i]);
    }

    free(pArry);
    return 0;
}