poj-1663

//380K  47MS    G++#include <cstdio>#include <cstring>int x, y;int caseNum;int main() {    scanf("%d", &caseNum);    for (int i = 0; i < caseNum; i++) {        scanf("%d %d", &x, &y);        if (x == y) {            int d = x/2;            if (x%2) {                printf("%d\n", 4*d + 1);            } else {                printf("%d\n", 4*d);            }        } else if (x - y == 2) {            int d = y/2;            if (y%2) {                printf("%d\n", 2 + 4*d + 1);            } else {                printf("%d\n", 2 + 4*d);            }        } else {            printf("No Number\n");        }    }}

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